Question

Square A has area x cm². Square B has area (x + 3) cm².

The area of square B is four times the area of square A.
a Write an equation using the information given.
b Solve the equation to find the value of x.


PLEASE HELP I HAVE AN EXAM TOMORROW!
(Willing to give 100 points

Answer 1

Explanation:

Area B is 4 times Area A

This implies that B = 4 × A

So you take the measurements given and replace it, A is x and B is (x+3) so

(x+3) = 4x

3 = 4x - x

3x = 3

x = 1