1. The area of a parallelogram is 192 sq. cm. If the length of its base is three times its height, find the base length.
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Answer:
height = x
base=3x
area of parallelogram= h×b
192 = 3x × x
192 = 3x^2
192 /3 =x^2
64=x ^2
√64= x^2
=√8×8 = x^2
8cm = x
3x= 3×8 = 24cm
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