One side of a rectangu

Question

One side of a rectangular field is 15 m and one of its diagonals is 17 m. Find the area of the field .

Options:

A . 120` m^2`

B . 130` m^2`

C . 140` m^2`

D . 150` m^2`

Answer: Option A

Other side = `sqrt((17)^2 - (15)^2) `

=`sqrt(289 - 225) = sqrt(64)` = 8 m.

`:.` Area = (15 x 8) `m^2` = 120`m^2`

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