Triangle
Rectangle
Circle/Composite Figures
100
What is the area formula for a triangle?
A= 1/2 *b* h
100
What is the area formula for a rectangle?
A= L*W
100

What is the formula for the area of a circle?

A = pi * r2

200

Find the area! 

A= 1/2 (b*h) A= 1/2 (12*8) A= 48 in^2

200
Find the area of the rectangle! l=24 w= 16
A= l*w A=24*16 A=384
200

Find the area of the circle if the radius 13 in. Write the answer in terms of pi and estimated.

A= pi *132

A=169 pi

A=530.66 in2

300

find the area! 

A= 1/2 (b*h) A= 1/2 (10*14) A=70 m2

300

Find the area of the rectangle! 

A=l*w A=12.6*6.4 A=80.64 cm2

300

Find the circumference of the circle if the radius is 22 in. Write your answer in terms of pi and estimated

C=d*pi

C=44*pi

C=44*3.14

C=138.16 in

400

Find the area of the triangle! B= 23 in H= 12in

A= 1/2 (b*h) A= 1/2 (23*12) A= 138 in2

400
Find the area of the rectangle! l= 859 in w= 4 in
A=l*w A=859*4 A=3436 in^2
400

Find the area of the shape below. 

Area of Trapezoid:

A= h(b1+b2)/2 

A=4(10+7)/2

A=4(17)/2

A=68/2

A=34 in2

Area of Rectangle:

A=lw

A=5 x 10

A=50 in2

Area of Shape:

34+50=84 in2

500
Find the area of the triangle! B= 2,378 cm H= 12 cm
A= 1/2 (b*h) A= 1/2 (2,378* 12) A=14,268 cm^2
500

Find the area and perimeter of the rectangle! 

A=l*w A= 32*20 A=640 m2

P=l+l+w+w P= 32+32+20+20 P=104 m

500

Find the area of the shape below. 

Area of Trapezoid:

A= h(b1+b2)/2 

A=7(14+10)/2

A=7(34)/2

A=238/2

A=119 m2

Area of Rectangle:

A=lw

A=14*11

A=154 m2

Area of Shape:

154+119=273 m2