area and perimeter: triangles, rectangles, circles

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?

• 35 cm

• 24 cm

• 35 cm²

• 24 cm²

What is the perimeter and area of this square?

• 20 cm; 25 cm²

• 10 cm; 25 cm

• 10 cm²; 25 cm

• 20 cm²; 25 cm

What is the area of the rectangle?

• 15 sq cm

• 15 cm

• 16 sq cm

• 16 cm

What is the perimeter of the rectangle?

• 28 sq feet

• 28 feet

• 48 feet

• 48 sq feet

What is the diameter?

• 5 in

• 10 in

• 31.4 in

• 15.7 in

Find the area of the circle. r = 7

• 43.96

• 153.86

• 87.82

• 307.72

What does this picture show?

• diameter

• radius

• area

• perimeter

What does this picture show?

• diameter

• radius

• area

• perimeter