Question

the length of a rectangle is 3 cm more than the breadth and its perimeter is 50 cm. what is the sum of its length and breadth​

Answer 1

Answer:

25cm

Step-by-step explanation:

let breadth be x

length be x+3

given

perimeter= 50 cm

perimeter= 2 (l+b)

(l+b) = 50/2

(l+b) = 25cm

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if u want length and breadth

perimeter = 2 (l+b)

= 2 (x+x+3)

= 2 (2x+3)

50= 4x+6

4x= 44

x = 11

therefore breadth= 11 cm

length. = 11 +3 = 14 cm

Answer 2

Step-by-step explanation:

Let the breadth of the rectangle be x cm

Then it's length=x+3

Perimeter=2×(Length+Breadth)

50cm=2(x+(x+3)

=50/2=2x+3

=2x+3=25

=2x=25-3=22

=x=22/2=11cm

Breadth=x=11cm and length =x+5=11+5=20cm

Sum of its length and breadth is 20cm+11cm=31cm

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