Find Initial Velocity & Angle of Projection for a Projectile at 40m

[sanjaymodi]

Homework Statement

If at height of 40 m the direction of motion of a projectile makes an angle 45 degrees with
the horizontal, then what is its initial velocity and angle of projection?

Homework Equations

The Attempt at a Solution

 

[anastasiao]

I don't really know how much help i can be but from what i remember you the x and y times will be the same. So 40m and the acceleration of gravity with the angles are what you need to solve the problem