Question

The radius of
adius of a dial clock is 7.7 cm.
find the area of the dial. Also, find the
circumfernece of the clock.​

Answer 1

Answer:

Radius =7.7 cm

Area of Dial clock

$= \pi {r}^{2} \\ = \frac{22 }{7} \times 7.7 \times 7.7 \\ = 22 \times 1.1 \times 7.7 \\ = 186.34 \: \: {cm}^{2}$

Circumference

$= 2\pi \: r \\ = 2 \times \frac{22}{7} \times 7.7 \\ = 48.4 \: cm \: ans$

Answer 2

Answer:

Here's the answer

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