Area of polygons and Circles

What is the area of the triangle?

What formula would you use to find the area of this shape?

What formula would you use to find the area of this figure?

• $A=bh$

• $A=\frac{1}{2}bh$

• $A=\frac{1}{2}h\left(b_1+b_2\right)$

• $A=\pi^2$

What is the area of this trapezoid?

A parallelogram has a base of 15 feet and a height of 18 feet. What is the area of the parallelogram?

What is the area of the following figure?

Find the area of the trapezoid. EACH square equals TWO units.

• 50 units²
• 70 units²

• 65 units²

• 40 units²

What is the area of this figure?

• 10 cm2

• 25 cm2

• 20 cm2

• 5 cm2

• 43.96 sq in

• 153.86 sq in

• 87.82 sq in

• 307.72 sq in

What is the area of this circle? (use 3.14 for π)

• 163.2 sq cm

• 15.3 sq cm

• 124.2 sq cm

• 113.04 sq cm