The minute hand of a clock is 14 cm long. Find the area on the face of the clock described by the minute hand in 5 m... | VSA 2m | Maths | SuperPadhai

Areas Related To Circles > Question

VSA2 marksYear: 2024EasyCBSE Class 10

areas-related-to-circlessector-areaclock

Question

The minute hand of a clock is

14

cm long. Find the area on the face of the clock described by the minute hand in

5

minutes.

Solution

1

Angle subtended in

5

min

= \frac{5}{60} \times 360° = 30°

+0.5 marks

2

Area

= \frac{30}{360} \times \frac{22}{7} \times 14 \times 14 = \frac{154}{3}

cm

^{2}

or

51.33

cm

^{2}

approx.

+1.5 marks

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