Begin2.DVI

Sector of Circle

Area=^1

2

r^2 θ, θin radians

s=arclength=rθ, θin radians

Perimeter= 2r+s

Rectangular Parallelepiped

V =Volume=abh

S=Surface area= 2(ab+ah+bh)

Parallelepiped

Composed of 6 parallelograms

V =Volume= (Area of base)(height)

A=Area of base=bcsinβ

height=h=acosα

Sphere of radiusρ

V =Volume=^4

3

πρ^3

S=Surface area= 4πρ^2

Frustum of right circular cone

V =Volume=

π

3 (a

(^2) +ab+b (^2) )h
Lateral surface area=π`(a+b)