Question

The perimeter of a rectangular sheet is 20 cm. if the length is 7 cm, find its breadth. Select one:
a. 10 cm
b. 5 cm
c. 3 cm

Answer 1

Answer:

C. 3 cm

Step-by-step explanation:

P=2(l+b)

20=2(7+b)

20/2=7+b

10=7+b

10-7=b

3=b

Answer 2

Answer ⤵️

Perimeter of a rectangular sheet= 20 cm

2(l+b)=20

2(7+b)=20

14+2b= 20

2b= 20-14

2b= 6

b= 6/2

b= 3 cm

.

. . So, the breadth of the rectangular sheet is 3 cm

Your answer is c. 3 cm

Step-by-step explanation:

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