find the perimeter of a rectangle was one side is 15 cm and diagonal is 17 cm
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Answer:
46cm
Step-by-step explanation:
By Pythagoras theorem
Hypotenuse = 17 cm
17²=15²+x²
289=225+x²
x²=289-225
=64
=8cm
Breadth=8cm
Perimeter = 2×(l+b)
=2×(15+8)
=2×23
=46cm
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