Question

the minute hand of a clock is 10 cm long find the area of the face of the described by the minute hand between 10:20 a.m. to 10:35 a.m.

Answer 1

Ans: Angle described by minute hand in 60 minutes = 360*

Angle described by minute hand in 15 minutes = 360/60×15 = 90*

theta 90 degree and r = 10

Area swept by minute hand in 15 minutes =
pi r^2 theta/360* = 22/7×10×10×90/360
=> 78.6 cm^2

Hope it helps...!!

Answer 2

Step-by-step explanation:

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