The length of the minute hand of a clock is 14 cm. Find the area swept by the minute hand in 5 minutes
Answers
Answered by
10
Answer:
3080cm^2
Step-by-step explanation:
r=14cm;
area=pie * r^2
A=22/7*14*14
A=616cm^2
since it takes 5 full rotations and returns to the same point area will be-
5A = 5*616cm^2
final area= 3080cm^2
Answered by
50
ANSWER:-
51.3cm³.
Given:
•The length of the minute hand of a clock is 14cm.
To find:
The area swept by the minute hand in 5 minutes.
Solution:
•The angle describe by the minute hand in 1 minute=66°
Therefore,
The angle described by 1minute hand in 5 minutes=30°.
Theta=30°
radius= 14cm
Now,
Area swept by the minute hand
Thus,
The area swept by the minute hand in 5 minutes is 51.33cm².
Thank you.
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