Area of 2D Shapes with Circles

The figure shows a ring made up of two circles with the same center. The radius of the smaller circle is 3 cm and the width of the ring is 2 cm. Find the area of the ring. Take \pi=3.14.

Find the area of the circle

• 54 in²

• 243 in²

• 9 in²

• 162 in²

Find the area of the circle

• 42

• 147

• 63

• 14

What is the area of a pizza with a diameter of 16 centimeters ? Approx pi to 3.14

• 25.12

• 50.24

• 200.96

• 803.84

The figure shows two circles inside a trapezoid. Which procedure will help find the area of the shaded region?

• Find the area of the trapezoid and you have your answer.

• Add the area of the trapezoid and the area of both circles.

• Subtract the areas of both circles from the area of the trapezoid.

• Multiply the area of the trapezoid with the areas of both circles.

What is the area of the shaded region?

• 16 cm²

• 12.9 cm²

• 22.4 cm²

• 15.8 cm²