the portion of a pole within the earth is is two third the portion above the earth. if the length of the pole is 45metres, find its length about the earth . (please answer fast)
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Answer:
length above earth = 27
length within earth = 18
Step-by-step explanation:
length of the pole = 45metres
portion of a pole above the earth = x
and portion within earth = y
given, y = 2x/3
and x+y = 45
=> x + 2x/3 = 45
=> 5x/3 = 45
=> x = 45×3/5
=> x = 27
=> y = 2×27/3 = 18
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