Answer: 
Step-by-step explanation:
Use the pythagorean theorem 
plug in and solve



if you need to solve for the sides
3x = 3(4.7434) = 14.2302
Here’s if you need it written out
Answer:
x^2+x + 1/4
Step-by-step explanation:
x^2+x
Take the coefficient of x
1
divide by 2
1/2
Square it
(1/2)^2 = 1/4
Add this to make a perfect square trinomial