Perimeter of a rectangle of length 7cm is 20cm. What is its breadth?
Answers
Answered by
1
Answer:
perimeter= 2(l+b) = 20
2(7+b)=20
14+2b=20
2b= 20-14=6
2b=6
b=6/2 = 3
b=3
Answered by
1
Answer:
breadth=3 cm
Step-by-step explanation:
W.K.T
Perimeter of rectangle= 2(l+b)
Substituting values
20 = 2(7+b)
20/2 = 7+b
10 = 7+b
b = 10-7
therefore, b = 3cm
PLEASE MARK ME AS THE BRAINLIEST
Similar questions