Area and Perimeter of Triangles and Parallelograms

Find the perimeter of this triangle.

• 20 cm

• 21 cm

• 40 cm

• 12.5 cm

What is the length of the base in this parallelogram?

• 6 in

• 3 in

• 2 in

What is the area of this parallelogram?

• 6 in²

• 12 in²

• 18 in²

What is the area of this parallelogram?

• 20 units²

• 28 units²

• 35 units²

Match the following!

• 27 sq cm

• RECTANGLE

  Length is 9 cm and the width is 7 cm less than that!

• 18 sq cm

• TRIANGLE

  Base is 6 cm and a height that is half that amount!

• 9 sq cm

• TRIANGLE

  All three sides are 10 cm each and the height is 12 cm!

• Not Enough

  Info To

  Solve

• PARALLELOGRAM

  Base of 30 cm and another side that is 10 cm!

• 60 sq cm

• PARALLELOGRAM

  Base is 3 cm and a height three times longer than that!

Compose this triangle into a parallelogram and find the area of the shaded polygon.

• 143 cm²

• 286 cm²

• 169 cm²

• 484 cm²

Area of triangle?

• 17 units²

• 20 units²

• 10 units²

• 16 units²

What is the height of this parallelogram?

• 6 in

• 3 in

• 2 in

Maria wants to put trim around her artwork. Use the image to calculate how many inches of trim Maria would need.

• 16 inches

• 22 inches

• 26 inches

• 44 inches

What is the area of the triangle shown?

• 44.4 mm²

• 8.5 mm²

• 8.88 mm²

• 17.76 mm²