Can anyone pls help me in this pls

Again a square means the side lengths are the same length. The hypotenuse is given to be 3 so we can easily solve for the side length using the pyth. theorem.

Let x = side length

2x² = 3²

2x² = 9

x² = 4.5

x = √4.5 = 2.1 m approx.

2.1 m approx.

step-by-step explanation:

the ratio of red paint to blue paint is always 9/7. that means that, whatever x's value, (4x+12)/(4x-4) has that same ratio. so, set up an equation and cross-multiply to solve for x:

9/7 = (4x+12)/(4x-4)

9(4x-4) = 7(4x+12)

36x - 36 = 28x + 84

8x - 36 = 84

8x = 120

x = 15