Question

The area of a parallelogram is 147sq.cm.the base of a parallelogram is three times its height. find its base

Answer 1

Step-by-step explanation:

area area of parallelogram is equal to 1 upon 2 into b where a into b is baseand height.

so height is equal to 3 X and base is equal to X area is 147 so 3x into X into 1 upon 2 who is equal to 147. 147 upon 2 who is equal to 3x. 73.5 is equal to 3x. x is equal to 7 3.5 is divided by 3. 24.5 is equal to X. height height is 24.5 into 3.

answer is73.5.

Answer 2

The height of parallelogram is "7 cm" cm and base "21 cm".

Step-by-step explanation:

$Let \ the \ height \ of \ parallelogram \ be \ "x".\\And,the \ base \ be \ "3x".\\Area=147 \ cm^2\\\\As \ we \ know,\\\\The \ Area \ of \ parallelogram,\\A=base\times height\\\\147=3x\times x\\\\147=3x^2\\\\x^2=\frac{147}{3}\\ \\x^2=49\\\\x=\sqrt{49}\\ \\x=7\\\\Now,\\The \ height \ of \ parallelogram=7 \ cm\\The \ base \ of \ parallelogram=3\times 7=21 \ cm$

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