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Chapter 1: Q12. (page 25)

Find the circumference of each circle. Round to the nearest tenth.

Short Answer

Expert verified

The circumference of the circle is 75.4 cm.

Step by step solution

01

Step 1. Given information.

In the figure, the circle has a radius of 12 cm, i.e. r=12cm.

02

Step 2. Circumference of the circle.

The circumference of a circle with radius r units is denoted by C=2蟺r.

03

Step 3. Calculations.

The circumference of a circle.

C=2蟺r=2路227路12=75.428cm

Rounding off to the nearest tenth,

C=75.4cm

Thus, the circumference of the circle is 75.4 cm.

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