2D Geometry Review

What is the formula for area of a rectangle?

• A = 1/2h(b1 + b2)

• A = bh

• a = 1/2bh

What is the formula for area of a triangle?

• $A\ =\ \pi r^2$

• A = bh

• $A\ =\ \frac{1}{2}bh$

Find the total area.

• 34 units²

• 960 units²

• 220 units²

• 480 units²

Find the total area.

• 20 sq cm

• 4 sq cm

• 30 sq cm

• 24 sq cm

Find the total area.

• 102 m²

• 39 m²

• 51.2 m

• 81 m²

Find the area of the shaded region.

• 14 m²

• 120 m²

• 106 m²

• 134 m²

Find the area of the shaded region.

• 130cm²

• 115 cm²

• 70 cm²

• 85 cm²

Find the total area.

• 108 cm²

• 324 cm²

• 180 cm²

• 432 cm²