Question

find the length of the diagonal of a rectangle whose length is 15cm and breadth is 8cm

Answer 1

Answer :

Given, the length and breadth of the rectangle are 15 cm and 8 cm respectively.

∴ the length of its diagonal

= √(length² + breadth²) cm

= √(15² + 8²) cm

= √(225 + 64) cm

= √289 cm

= √(17²) cm

= 17 cm, taking the positive value only
[∵ √(a²) = a]

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Answer 2

here is your answer.

d = √L^2 + B^2
= √ 15^2 + 8^2
= √225 + 64
= √289
= 17

hope it will help


thanks