Question

a area of rectangle is 192 square and its perimeter is 56 cm find the dimensions of rectangle​

Answer 1

Answer:

area =192square cm

l*b=192

l=192/b

perimeter=56cm

2(l+b)=56

l+b=28

192/b+b=28

192+b^2=28b

b^2-28b+192=0

b^2-16b-12b+192=0

b(b-16)-12(b-16)=0

(b-16)(b-12)=0

b=16 or b=12

length=192/12=16cm

or

length=192/16=12cm

Answer 2

Step-by-step explanation:

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