Question

Hi! Please answer quickly! This is an urgent question! A circle with a radius of 9 cm sits inside a circle with a radius of 11 cm. What is the area of the shaded region? (Round your final answer to nearest hundredth)

Answer 1

Answer:

Area of shaded region = 133.34cm²

Step-by-step explanation:

For circle:

Radius = 9cm

Area of Circle = πr² = 3.14 × 9 × 9 = 254.34cm²

For Square:

Area of Square = 11cm × 11cm = 121cm²

Area of remaining part = 254.34 - 121 = 133.34cm²

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