Area and Perimeter

• Area of a rectangle

• Area of a triangle

• Area of a trapezoid

1/2 (b1 +b2) *h

• Area of a rectangle

• Area of a triangle

• Area of a parallelogram

• Area of a trapezoid

1/2 (b) *h

• Area of a square

• Area of a rectangle

• Area of a triangle

• Area of a parallelogram

Find the area of the trapezoid. (follow steps on board)

• 18 m²

• 165 m²

• 84 m²

• 22.5 m²

What is the perimeter of this figure?

• 12 cm

• 32 cm

• 24 cm

• 20 cm

What is the area of this figure?

• 12 sq. cm

• 32 sq. cm

• 16 sq. cm

• 28 sq. cm

Carlos needs to build a fence for his chickens. The area he wants to build a fence around is 40 feet long and 20 feet wide. How many feet of fence does he need to buy? (hint: 40 x2 + 30x2)

• 800 feet

• 120 feet

• 60 feet

Find the area of this triangle.

• 12 in²

• 22 in²

• 18 in²

• 24 in²

What is the perimeter of an Olympic-size swimming pool?

• 150 m

• 125 m

• 135 m

• 165 m

What is the perimeter of the fence?

• 25
• 30
• 35
• 40