the area of a rectangular field is 48² and one of its sides is 6cm.how long will a lady take to cross the field diagonally at the rate of 20 m/minutes
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Answer:
30 second is the time a lady will take to cross the field diagonally at the rate of 20m/minute.
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Answer: 30 second is the time a lady will take to cross the field diagonally at the rate of 20m/minute.
Step-by-step explanation:
Given,
The area of a rectangular field = 48
Area of rectangle = l * b
⇒ 48 = 6 * breadth
⇒ breadth = 48/6
= 8m
In ΔACD, ∠D = 90°
To find,
Time taken = Distance/Speed
= 10/20
= 1/2 minute or 30 seconds
AC= 10cm
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