Calculate Area and Perimeter

Calculate the area of this shape to 2d.p.

• 263.78cm²

• 862.68cm²

• 229.21cm²

• 342.97cm²

Calculate the circumference of this circle exactly.

• 31.4cm

• 15.7cm

• 5π cm

• 10π cm

What is the perimeter of this figure?

• 12 cm

• 32 cm

• 24 cm

• 20 cm

What is the area and perimeter of this figure?

• 12 sq. cm, 7 cm

• 7 sq. cm, 12 cm

• 12 sq. cm, 14 cm

• 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

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

• 18 m²

• 165 m²

• 84 m²

• 22.5 m²

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 the fence?

• 25

• 30

• 35

• 40