angle relationships
what two angles sum is 90 degrees
complementary angles
what's half of a diameter?
radius
what is the formula for a square?
p=4s
A=s2
what shape has circular bases?
cylinder
what does L represent in the equation A=lw?
length
any two angles whose sum is 180 degrees.
supplementary angles
what is the area formula for a circle?
A=3.14r2
what is the formula for a triangle?
A=1/2bh
which shape is a pyramid with a circular base?
cone
what does H represent in the equation: SA=hp+2B?
height
vertical angles are always?
congruent
what is a degree equivalent to?
360
what is the formula for a rectangle?
p=2l+2w
A=lw
which shape is a solid with two bases that are congruent and parallel?
prism
what does W represent in the equation: A=lw?
width
what two angles form a straight line?
adjacent and supplementary.
how do you convert degrees to radians?
multiply 3.14 by 180
what is the formula for a trapezoid?
which figure is a solid with one base and faces that meet at a point?
pyramid
what does B represent in the equation: SA=hp+2B?
base
what is it called when two angles that are next to each other share a common side?
adjacent angles
how do you convert radians to degrees?
multiply 180 by 3.14
what is the formula for a hemisphere?
V= 2/3 3.14r3
which figure is a solid in which each point is equidistant from a center point?
sphere
what does P represent in the equation: SA=hp+2B?
Perimeter