Geometry Flashcards
1
Q
What are supplementary angles
A
angles that add up to 180 degrees
2
Q
What are complementary angles
A
angles that add up to 90 degrees
3
Q
What is a regular polygon
A
a polygon with all sides equal
4
Q
what is a convex polygon
A
any shape that has all interior angles that measure less than 180 degrees
5
Q
what is a concave polygon
A
a polygon that has at least one angle that is more than 180 degrees
6
Q
How to find the area of trapezoid
A
multiply the height by the average of the two bases
7
Q
If the product of slopes of two lines is -1, then these lines will be _
A
perpendicular
8
Q
How to find the volume of a sphere
A
V=4/3pir^3
