Find the area of a square, one of whose diagonals is 3.8 m. long. Options: A . &nbsp7.22` m^2` B . &nbsp7.28` m^2` C . &nbsp7.38 `m^2` D . &nbsp7.42` m^2`

Find the area of a squ

Question

Find the area of a square, one of whose diagonals is 3.8 m. long.

Options:

A . 7.22` m^2`

B . 7.28` m^2`

C . 7.38 `m^2`

D . 7.42` m^2`

Answer: Option A

Area of the square =` 1/2 xx (diagonal)^2`

=`(1/2 xx 3.8 xx 3.8)m^2`

= 7.22 `m^2`

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