The perimeter of a rectangle is 30 cm.If the length of the rectangle is 10 cm.Then its breadth will be *
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rectangle=80 length=30
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Answer:
We have,
Let us suppose P be the perimeter, l be the length and b be the breadth of the rectangle.
Given,
P = 30cm
l = 10cm
According to the formula,
Perimeter of rectangle = 2(length+breadth)
P = 2(l+b)
→ 30 = 2(10+b) Putting the value of P and l,
→ 30/2=10+b
→ 15 = 10+b
→ b = 15-10
→ b = 5cm
Hence, the breadth will be equal to 5cm.
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