Question

Q: The diagonal of a rectangle is 10cm long and it is equal to twice the length of the rectangle. the area of the rectangle is? I NEED COMPLETE SOLUTION PLS HELP ME

a) 25 b) 40 root3 c) 25 root 3 d) 10 root 3

Answer 1

Diagonal=10cm
length=5cm
Breadth=x (say)
10 square-5 square= x square
So, x square=75 sq.cm
So, x=5 root 3 cm
Therefor, area= length * breadth
                     =5*5root3
                     =25 root 3
Answer= 25 root 3