Basic Geometric Figures

I am a triangle with three sides equal.

• Acute

• Equilateral

• Isosceles

• Right

Find the area.

• 108 cm sq

• 60 cm

• 432 cm sq

• 216 cm sq

A cruise ship has a large, circular window. It has a diameter of 6 meters. What is the window's area?

• 31.25 m²

• 29.55 m²

• 30.36 m²

• 28.26 m²

A Circle has a radius of 4.  What is the area of the circle? (Best Choice) (note: units are squared)

• 4π or about 12.56

• 16π or about 50.24

• 2π or about 6.28

• 8π or about 25.12

A Circle has a diameter of 10 centimeters.  What is the circumference of the circle? (Best Choice)

• 5π or about 15.7 cm

• 10π or about 31.4 cm

• 20π or about 62.8 cm

• 100π or about 314 cm 

Find the area.

• 126 ft²

• 39 ft²

• 156 ft²

• 80 ft²

What is the area of the green area?

• 195 meters²

• 195 meters

• 30 meters

• 225 meters²

Find the area of the shaded region

• 36cm²

• 50cm²

• 32cm²

• 4cm²

Find the area of the polygon.

• 45 in²

• 68 in²

• 36 in²

• 24 in²

Find the area of the shaded region.

• 334 km²

• 172 km²

• 658 km²

• 433 km²