The length of a rectangle is twice it's breadth what is the length. If the perimeter is 90 cm
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Answer:
Length is 30 cm and breadth is 15 cm.
Step-by-step explanation:
breadth = b
length = 2b
Perimeter = 90 cm
Perimeter = 2(l+b)
90 = 2 (2b + b)
90 = 2 * 3b
90 = 6b
b = 15 cm
length = 2*15 = 30 cm
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