Area and Perimeter of Rectangles, Triangles, Circles

Find the area of the circle. r = 7

• 43.96

• 153.86

• 87.82

• 307.72

Find the area of the circle

• 56.52 in²

• 254.34 in²

• 1017.36 in²

• 113.04 in²

What formula would you use to find the area?

• A = bh

• A = 1/2 bh

• A = 1/2 h (b₁+b₂)

• A = lw

A school’s art teacher designs a circular flower bed inside a rectangular sandbox. The sandbox is 6 feet wide and 10 feet long. How many square feet of sand will there be after the flower bed is installed? Use for 3.14 for π. Round the answer to the nearest square foot.

• 22 square feet

• 28 square feet

• 32 square feet

• 41 square feet

Tags

7.G.4

Which of the following is the AREA formula for a triangle?

The space inside a two-dimensional shape is called

• area

• perimeter

• circumference

• diameter

• radius

The distance around an object is called

• area

• perimeter

• length

• radius

• diameter

What is the area of the rectangle?

• 15 sq cm

• 15 cm

• 16 sq cm

• 16 cm

What is the diameter?

• 5 in

• 10 in

• 31.4 in

• 15.7 in

Find the perimeter of this shape

• 81 km

• 85 km

• 91 km

• 95 km