Question

find the area of the rectangle whose side is 5 CM and the length of a diagonal is 6 CM

Answer 1

We know that each side of rectangle is perpendicular to each other,
Hence, by Pythagoras theorem,




( length )^2 + ( breadth )^2 = ( diagonal )^2

( 5 )^2 + ( breadth )^2 = ( 6 )^2

Breadth^2 = 36 - 25

breadth = √11 cm






Hence,

Area of rectangle = length × breadth

Area of rectangle = 5√11 cm^2
$.$

Answer 2

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