Lesson 11 study guide

Area of a parallelogram

• A=bh

• A=bhw

• A=1/2bh

• A=1errbe

Area of a triangle

• A=1/2 bh

• A=bh

• A=bh1/2

Area of a trapezoid

• A=1/2 h (base 1 + base 2)

• A=1/2 hb

• A=bh

Circumference of a circle

D= diameter

• A= pie d

• A=d

• C=pie d

Area of a circle

R= radius

• C=pie r 2

• A=r pie 2

• A= pie r2

Area of semi circle

• C= 1/2 pie r2

• A=1/2 pie r2

• A=r2 pie 1/2

Volume of a rectangular prism

• A=lwh

• C=lwh

• V=lwh

• V=lwh 1/2

Volume of a cylinder

• A=pier2 h

• C pie h r2

• V= pie r2 h

• V=r2 pie

A=bh

A= 1/2 bh