Ch. 10 Axioms
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
|
|
||||
---|---|---|---|---|---|
show | Circle
🗑
|
||||
show | Center
🗑
|
||||
The distance from the center of a circle to the circle is the __________________. | show 🗑
|
||||
show | Diameter
🗑
|
||||
show | Diameter
🗑
|
||||
All radii of the same circle are _____. | show 🗑
|
||||
show | dπ
🗑
|
||||
show | r²π
🗑
|
||||
show | %C
The % is the measure of the arc divided by 360.
🗑
|
||||
show | % A
The % is the measure of the arc divided by 360.
🗑
|
||||
show | Concentric
🗑
|
||||
A point is ____________ (in the ____________ of) a circle if its distance from the center is less than the radius. | show 🗑
|
||||
show | Outside, exterior
🗑
|
||||
show | Equidistant
🗑
|
||||
show | Chord
🗑
|
||||
A _____ of a circle is a chord that passes through the center of the circle. | show 🗑
|
||||
show | perpendicular
🗑
|
||||
If a radius is perpendicular to a chord, then ________________. | show 🗑
|
||||
If a radius of a circle bisects a chord that is not a diameter, then ________. | show 🗑
|
||||
The _____ of a chord passes through the center of a circle. | show 🗑
|
||||
If 2 chords of a circle are equidistant from the center of a circle, then ___. | show 🗑
|
||||
show | They are equidistant
🗑
|
||||
show | arc
🗑
|
||||
The _____of an arc is the center of the circle of which the arc is a part. The unit is _____ | show 🗑
|
||||
show | central
🗑
|
||||
show | minor arc
🗑
|
||||
show | major arc
🗑
|
||||
A _____ is an arc whose endpoints are the endpoints of a diameter. | show 🗑
|
||||
show | the same as
🗑
|
||||
The measure of a major arc is 360 minus the measure of _______ _______________ ______ with the same endpoints. | show 🗑
|
||||
show | congruent
🗑
|
||||
show | their intercepted arcs are congruent
🗑
|
||||
If 2 arcs of a circle (or of congruent circles) are congruent, then __________________________________________________ | show 🗑
|
||||
If 2 central angles of a circle (or of congruent circles) are congruent, then _______________________________________ | show 🗑
|
||||
show | the corresponding central angles are congruent
🗑
|
||||
show | the corresponding chords are congruent
🗑
|
||||
show | the corresponding arcs are congruent
🗑
|
||||
A __________________ is a line that intersects a circle at exactly 2 points. (Every ______________ contains a chord of the circle.) | show 🗑
|
||||
A ________________ is a line that intersects a circle at exactly _________ point. This point is called the _________________ ____ ________________ or point of contact. | show 🗑
|
||||
show | perpendicular
🗑
|
||||
If a line is perpendicular to a radius at its outer endpoint, then ___________________________________________________ | show 🗑
|
||||
A ___________________________ ______________________________ is the part of a tangent line between the points of contact and a point outside the circle. | show 🗑
|
||||
show | secant segment
🗑
|
||||
The ________________________ ____________________________ of a secant segment is the part of a secant line that joins the outside point to the nearer intersection point. | show 🗑
|
||||
If 2 tangent segments are drawn to a circle from an external point, then ________________________________________ | show 🗑
|
||||
__________________________ ________________________ are circles that intersect each other at exactly one point. | show 🗑
|
||||
show | externally tangent
🗑
|
||||
Two circles are __________________________________ ______________________ if one of the tangent circles lies inside the other. | show 🗑
|
||||
A _ _is a line tangent to two circles (not necessarily at the same point). | show 🗑
|
||||
show | common internal tangent, common external tangent
🗑
|
||||
An _____________________ ___________________ is an angle whose vertex is on a circle and whose sides are determined by 2 chords. | show 🗑
|
||||
A _________________________________ angle is an angle whose vertex is on a circle and whose sides are determined by a tangent and a chord that intersect at the tangent's point of contact. | show 🗑
|
||||
The measure of an inscribed angles or a tangent-chord angle (vertex on a circle) is ____________________________ | show 🗑
|
||||
A ______________________________ angle is an angle formed by 2 chords that intersect inside a circle but not at the center. | show 🗑
|
||||
The measure of a chord-chord angle is _________________________________ | show 🗑
|
||||
A __________________________ angle is an angle whose vertex is outside a circle and whose sides are determined by 2 secants. | show 🗑
|
||||
A __________________________ angle is an angle whose vertex is outside a circle and whose sides are determined by a secant and a tangent. | show 🗑
|
||||
A __________________________ angle is an angle whose vertex is outside a circle and whose sides are determined by 2 tangents. | show 🗑
|
||||
The measure of a secant-secant angle, a secant-tangent angle, or a tangent-tangent angle (vertex outside the circle) is ______________________________ | show 🗑
|
||||
show | they are congruent
🗑
|
||||
If the vertex of the angle is ____ the circle Then use this formula to find the angle’s measure: Center Arc IN (Arc + arc)/2 ON (arc)/2 OUT (arc-arc)/2 | show 🗑
|
||||
If 2 inscribed or tangent-chord angles intercept congruent arcs, then _____________________ | show 🗑
|
||||
An angle inscribed in a semi- circle is a ____________________ ___________________. | show 🗑
|
||||
show | 180
🗑
|
||||
A polygon is __________________ ___________ a circle if all of its vertices lie on the circle. | show 🗑
|
||||
show | circumscribed about
🗑
|
||||
The center of a circle circumscribed about a polygon is the ____________________________ of the polygon. | show 🗑
|
||||
The center of a circle inscribed in a polygon is the _______________________ of the polygon. | show 🗑
|
||||
If a quadrilateral is inscribed in a circle, ____________________________ | show 🗑
|
||||
If a parallelogram is inscribed in a circle, ___________________ | show 🗑
|
||||
If 2 chords of a circle intersect inside the circle, then _______________________ | show 🗑
|
||||
If a tangent segment and a secant segment are drawn from an external point to a circle, then _________________ | show 🗑
|
||||
If 2 secant segments are drawn from an external point to a circle, then ___________________ | show 🗑
|
||||
show | circumference
🗑
|
||||
show | C=πd
🗑
|
||||
show | to the circumference of its circle times the fractional part of the circle determined by the arc
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
roderb24
Popular Math sets