Question

the base of a parallelogram is thrice its height.if area of parallelogram is 971 sq. cm, find the base and height of parallelogram..

Answer 1

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➡️3x and x

3x×x=867

3x²=867

x²=289

x=17

therefore height is 17m and base is 51m

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Answer 2

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let the height of parallelogram be x cm

then,

base=3x cm

Area of parallelogram=

base*height

$=3x*x=3x^2 cm$

$3x^2=972$

$x^2=324$

$x=18$

$height= 18cm\\ \\base:-(3*18)=54 cm$