Area and Perimeter of Triangles and Rectangles

Find the perimeter of this triangle.

• 20 cm

• 21 cm

• 40 cm

• 12.5 cm

What is the area?

• 16 yd²

• 22 yd²

• 49 yd²

• 28 yd²

Farmer Bob's son built a track to walk his pet pig.  The track goes around the pig pen.  The pig pen is 15 feet long and 21 feet wide.  If the pig walks all the way around the track, how many feet did he walk?

• 72 feet

• 36 feet

• 36 square feet

Area of triangle?

• 17 units²

• 20 units²

• 10 units²

• 16 units²

Area of a triangle?

• 20 cm²

• 56 cm²

• 28 cm²

• 27 cm²

What is the area of this shape?

• 49 square units

• 40 square units

• 61 square units

• 89 square units

Find the area of the triangle.

• 50 square inches

• 100 square inches

• 200 square inches

• 25 square inches

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 perimeter of the rectangle?

• 28 sq feet

• 28 feet

• 48 feet

• 48 sq feet