Area of Regular Polygons and Composite Figures

Find the area of the equilateral triangle. Round your answer to the nearest tenth.

• 144 mm²

• 72.0 mm²

• 62.4 mm²

• 36 mm²

What is the area of this figure?

• 6 cm²

• 12cm²

• 96 cm²

• 48 cm²

Find the radius

• 5 cm
• √19  cm
• 3.1 cm
• √13  cm

Find m<OHM

• 30°

• 60°

• 90°

• 45°

Find the length of OM

• 20
• 10 
• 10√3
• 5√3

Find the area of the pentagon

• 58.12
• 47.02
• 76.08
• 38.04

Find the area.

• 50.4
• 700.56
• 100.08
• 1401.12

Find the area.

• 12.75
• 191.25
• 19.125
• 95.625

Which is the apothem?

• AD

• AB

• CD

• CB

Find the area of the shaded region.

• 13.5
• 54
• 67.5
• 13.5