20. Find the perimeter of a parallelogram ABCD if AB = 8.2 cm and BC = 4.7 cm
Answers
Answered by
9
Step-by-step explanation:
perimeter of parallelogram is 2 (l+b)
2 (8.2 + 4.7)
=25.8cm
the opposite sides of parallelogram are equal. so
L1+L2=2(L1)
B1+B2=2(B2)
So perimeter will be 2L+ 2B
=2 (l+b)
perimeter of parallelogram is proved
Answered by
4
Step-by-step explanation:
In a parallelogram ABCD
AB=CD=8.2CM
and BC=AD=4.7CM
the perimeter of abcd = 2×(8.2+4.7)
= 2×12.9
= 25.8
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