Question

what is the length of the rectangle whose breadth is 10 cm as perimeter 60 CM ​

Answer 1

Step-by-step explanation:

let the length be x

perimeter

2(x+w)

where w is width

2(x+10)=60

x+10=30

x=20

so,

length of the rectangle is 20cm

Answer 2

Step-by-step explanation:

Perimeter of rectangle = 60 cm

breadth (b) = 10 cm.

Length= ?.

Perimeter of triangle = 2( l + b)

60 = 2(l + 10)

60 = 2l + 20

60-20 = 2l

40 = 2l

40/2 = l

l = 20 cm.

length of rectangle is 20 cm.

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