Question

Q.15 A rectangle whose length
is 5x+2 and breath is 3x. Find
the length of rectangle if
perimeter of rectangle is 68.​

Answer 1

Length is 22 cm

Breadth is 12 cm

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Answer 2

Answer:

L= 5x + 2

B= 3x

Perimeter = 68

Perimeter = 2(L+B)

68 = 2 X (5x +2 +3x)

68 = 10x + 4 + 6x

68-4 = 10x + 6x

64 = 16x

64/16 = X

X = 4

L = 5*4 + 2

= 20 + 2

= 22

B = 3*4

= 12