Question

Find the length of the rectangle whose breadth is 8 cm and a diagonal is 13cm

Answer 1

Answer:

this is the answer of the above mentioned

Answer 2

Answer:

breadth(b) = 8cm

Diagonal = 13cm

any angle of rectangle = 90°

length (l) = ?

By Pythagoras theorem

(diagonal)² = (l)² + (b)²

(13)² = (l)² + (8)²

169 = (l)² + 64

169 - 64 = (l)²

105 = (l)²

√105cm = length

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