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Ch.9.2 & Ch.10
| Word/Phrases/If | Definition/Theorem/Then |
|---|---|
| If altitude is drawn to the hypotenuse of right triangle, | Then the two triangles formed are similar to the given right triangle and each other. |
| If altitude is drawn to the hypotenuse of right triangle, | Then the altitude to the hypotenuse is the mean proportion between segments of the hypotenuse. (x/h=h/y or h2=xy) |
| An _____ is made up of two points on a circle and all the points of the circle needed to connect those two points by a single path. | Arc |
| The measure of an arc is equivalent to the number of degrees it occupies. | 360/Amount of Arcs |
| Length of an arc is a fraction of a circle's circumference, so it is expressed in linear units. | (%/360)C |
| A ___ is a line segment joining two points on a circle (A diameter is a chord that passes through the center of its circle). | Chord |
| An ____ angle is an angle whose vertex is on a circle and whose sides are determined by two chords or a circle. | Inscribed |
| The ___ of a circle is its perimeter. | Circumference (C=dπ) |
| _____ is a linear measurement similar to the length of a line segment. | Arc Length |
| Equation to find altitude of a triangle. | alt2=part x part) |
| Equation to find leg of a triangle. | leg2=close(whole) |
Created by:
JKLee
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