The length of the diagonal of a rectangle is 13 cm. If its breadth is 5 cm, find its length.
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Answer:
h² = b² + p²
13² = 5² + p²
169 = 25 + p²
169-25 = p²
144 = p²
12² = p²
p = 12 cm
length = p = 12 cm
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