Area of a Parallelogram What is Area? amount of space inside a flat shape measured in square units 1 cm 1 cm Calculator permitted for 
area problems, but show 
all steps.

A= bh Find the area of each rectangle. Show required steps. a.) Formula (A=b h) b.) Substitution (plug in the numbers) c.) Answer with correct unit • in 6 cm 1.) 2.) in 1.5 cm

= A = A parallelogram is just like a rectangle. 6 cm 6 cm = 4 cm 4 cm therefore the formula is the same. A = height base

• Find the area of each parallelogram. Show required steps. a.) Formula (A=b h) b.) Substitution (plug in the numbers) c.) Answer with correct unit • 5.1 m 3.) 9 cm 4.5 cm 5.2 cm 4.) 4 m 4.7 m

A = Area of a Triangle 1.) 2.) 3.) 11 cm 8 cm 4 cm 6.5 cm 6 cm 7.5 cm

Area of Trapezoid ½ h(b1 + b2) or h(b1 + b2) 2 Formula: A = Important: b1 and b2 are the parallel bases (top and bottom) h(height) is perpendicular to the bases

2.) 10.5 ft 16 ft 11.8 ft 1.) 8 cm 13 cm 15 cm 12 cm

1.) The area of a rectangle is 40 ft2. If the base of the figure is 4 ft, what is its height? Area = 40 ft2 ? 4 ft 2.) A triangular kite has a base of 5 ft and an area of 10 ft2. What is the height of the kite? Area = 10 ft2 ? 5 ft

Demonstrate Understanding: Find the area of the following parallelograms. Show required steps. 1.) 7.8 ft 2.) 2.4 m 4.16 ft 6.2 ft 24.5 m 32 m 20 m 3.)

4.) Which figure has the greatest area? 27 cm 32 cm 16 cm 20 cm 25 cm 7 cm 16 cm