Area of 2D Shape

The size of a two-dimensional (2D) surface is the ____

• Radius

• Diameter

• Area

• Perimeter

Find the area.

• 40 in²

• 40

• 40 in

• 4 in²

Find the area.

• 2 in²

• 32 m²

• 32 in

• 32 in²

Find the area of the trapezoid.

• 30 cm²

• 44 cm²

• 88 cm²

• 22 cm²

Mason needs to purchase new glass for the window pictured here.  About how many square feet of glass will he need to purchase? 

• 20 ft²

• 13 ft²

• 26 ft²

• 41 ft²

Mason needs to purchase new glass for the window pictured here.  About how many square feet of glass will he need to purchase? 

• 20 ft²

• 13 ft²

• 26 ft²

• 41 ft²

Find the area.

• 14 in²

• 18 in²

• 52 in²

• 28 in²

Find the area.

• 56

• 56 in

• 87 ft²

• 56 in²

What is the formula for area of a triangle?

• A = bh

• A = bh/2

• A = b + h

• A = b - h