fill in the blanks The perimeter of a rectangular sheet 90cm it's breadth is 20cm and length is______
Answers
Answered by
1
Answer:
25cm
Step-by-step explanation:
perimeter of rectangle= 2(l+b)
90=2(l+20)
90=2l+40
90-40=2l
50=2l
l=50÷2
l=25
length of rectangular sheet is 25cm
Answered by
0
Answer:
given,
perimeter of a rectangular sheet = 90cm
breadth of the rectangular sheet = 20cm
we know that,
perimeter of a rectangle = 2×( l + b)
= 90= 2×(l + 20)
= 90/2= l +20
= 45-20= length
= length =25
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