Surface Area 2-D

What formula is this used for:
πr²

• Circumference 
• Area
• Surface Area
• Volume

What formula is this used for:
πd

• Area
• Circumference 
• Surface Area
• Volume 

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Does this picture show the diameter or radius of a circle?

• Diameter
• Radius

Find the area.

• 61

• 224

• 238

• 468

Find the area of the circle.

• 251.2 cm.²

• 25.12 cm²

• 50.24 cm.²

• 200.96 cm²

Find the area of the composite figure.

• 40 cm.²

• 25 cm.²

• 65.5 cm.²

• 52.5 cm.²

Find the area of the composite figure.

• 49 ft.²

• 40 ft.²

• 61 ft.²

• 9 ft.²

Find the area of the composite figure.

• 100 m²

• 139.25 m²

• 131.4 m²

• 178.5 m²

Find the circumference of the circle.

• 16 cm.

• 25.12 cm.

• 200.96 cm.

• 50.24 cm