Perimeter Area Triangles

Find the perimeter of this triangle.

• 20 cm

• 21 cm

• 40 cm

• 12.5 cm

Macy is making a triangular scarf for her dog. Using the triangle as a guide, how much fabric would she need to make the scarf.

• 7.35 cm²

• 14.7 cm²

• 29.4 cm²

Robert is making a triangular garden in his backyard. Using the diagram of the triangle how much mulch would he need to fill his garden?

• 8.2 in²

• 16.4 in²

• 32.8 in²

• 4.1 in²

Find the area of the triangle.

• 108 cm

• 540 cm

• 108 cm²

• 54 cm²

What is the perimeter of this triangle?

• 31 units

• 35 units²

• 32 units

• 42 units²

What is the area of this triangle?

• 70 units²

• 35 units²

• 42 units²

• 32 units²

If the area of this triangle is 40cm², and the base is 10cm, what is the height?

What is the area of this triangle?

• 40cm²

• 30cm²

• 25cm²

• 20cm²

What is the area of this triangle?

• 24cm²

• 12cm²

• 26cm²

• 12cm

What is the area of this triangle?

• 54 cm²

• 108 cm²

• 21cm