Area and Perimeter of Triangles and Circles

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

Find the area of this Figure

Find the perimeter of this Figure

Mathematical Equivalence

ON

Find the perimeter of this figure

• 20.2 yd

• 20.4 yd

Find the area of the triangle.

• 11 cm²

• 15 cm²

• 30 cm²

What is the area of this circle?

What is the perimeter of this triangle?

• 23 units

• 25 units

• 32 units

Find the area of the triangle.

• 6.65 m sq

• 21 m sq

• 42 m sq

• 16 m sq

Find the area of the figure.

• 35 units²

• 70 units²

• 30 units²

• 168 units²

Find the perimeter of the triangle.

• 16.5 cm

• 13.4 cm sq

• 13.4 cm

• 15.8 cm