Question

Find the perimeter of rectangle whose length 5 m and area 15 m and how 16 come

Answer 1

given, L=5m and Area=15 m²

we know that,

perimeter =2(L+B)

P=2(5+B)

P=10+2B. ........eqn1

area=L*B

15=5*B

15/5=B

3=B...................eqn2

from eqn1 and eqn2.

P=10+2B

P=10+6

P=16m

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