ABCD is a parallelogram, where AB is longer than BC by 8 cm . If the perimeter is 40 cm, what is the length of each side?
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Answer:
AB =14cm, BC = 6 cm
Step-by-step explanation:
let BC be x cm
then, AB = x cm +8cm
perimeter = 40cm
=2(x + x +8) cm
=2(2x + 8) cm
=4x cm +16 cm
4x cm +16cm = 40 cm
4x = 40 cm -16 cm
4x = 24 cm
x = 24/4 cm
= 6 cm
AB = x + 8
= 6cm + 8cm
= 14 cm
BC = x cm
= 6 cm
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