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Chapter 1: Q9. (page 28)

Find the area of each figure. Round to the nearest tenth if necessary.

A semi-circle with a radius of 3 inches.

Short Answer

Expert verified

The area of the semi-circle is 14.1in2.

Step by step solution

01

Step 1. Given information.

A semi-circle with radius of 3 inches.

02

Step 2. Concept used.

Area of a semi-circle with radius r is given by A=蟺r22.

03

Step 3. Calculations.

A=蟺r22=3.14脳322=3.14脳92=14.13in.2

Rounding off to the nearest tenth, we get,

A=14.1in.2

Thus, the area of the semi-circle is 14.1in.2.

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