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TExES Competency 016
Geometry and Measurement
Term | Definition |
---|---|
Perimeter of a Square: | P=4s |
Perimeter of a Rectangle: | P=2(l+w) |
Perimeter of a triangle: | P=s1+s2+s3 |
Area of a rectangle: | A=l x w |
Area of a square: | A=s x s |
A____ is a three-dimensional solid figure, it has 6 faces, 12 edges, and 8 vertices. | Cube |
A ___ is the union of two segments or point of intersection of two sides of a polygon. | Vertex |
Each of the plain regions of a geometric body is a : | Face |
An _____ is a line segment where two faces of a three dimensional figure meets. | Edge |
A Right angle is | 90 degrees |
Angles less than 90 degrees are: | acute angles |
Angles greater than 90 degrees but less than 180 degrees are: | Obtuse angles |
Supplementary angles add up to: | 180 degrees |
C= 2 x 3.14 x r C= 3.14 x d | circumference of a cirlce |
The ___ of a circle is a straight line segment that goes from one edge of a circle to the other side, passing through the center. | diameter |
The ____ of a circle is half of its diameter from the center to tan edge. | radius |
An _____ triangle is a polygon with two equal sides and two equal angles. | isosceles |
If the measurement of all sides of the triangle are equal, then the triangle is called an _____ triangle. | equilateral |
A___ triangle is a polygon with three unequal sides. | Scalene |
Area of a triangle: | A=bh/2 |
Area of a circle: | A=3.14 x r x r |
Area of a parallelogram: | A=l x h |