find the length of the diagonal of a rectangle whose sides are 15 cm and 8 cm
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Answered by
8
sides of the rectangle = 15cm and 8 cm
diagonal = x
x square =15 square + 8 square
(by using Pythagorean theorem)
x square = 225+ 64
x = root of 289
x = 17
diagonal = x
x square =15 square + 8 square
(by using Pythagorean theorem)
x square = 225+ 64
x = root of 289
x = 17
Answered by
5
Length of the diagonal = x
Sides of rectangle or Length of the Legs of Right angled triangle = 15cm and 8cm
By using pythagorean theorem (a²+b²=c²)..
∴ 15²+8²=x²
225+64=289=x²
x=√289=17
Length of the diagonal = 17cm
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