Question

The minute hand of the clock is √7 cm long. Then, the area described by the minute hand on the face of the clock between 5 am to 5:15am is​

Answer 1

Step-by-step explanation:

Given r=21cm

Angle made by minute hand in 1 minute = 603600=60

Therefore, angle made in 5 minutes = 60×5=300

Area of the sector=360∘θ×π×r2

Here θ=30∘

Hence, area swept in 5 minutes = 3600300×722×(21)2

                                                      = 121×722×21

                                                      = 5.5 cm2

Answer 2

Answer:

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