<span>To solve this question, you must divide the trapezoid into a rectangle and two right triangles. Using the Pythagorean Theorem, you would calculate the height of the triangle which is 4. The dimensions of the rectangle are 5 and 4, hence the area will be 20.</span>
You can find the height of a trapezoid by dropping the altitude and using the side of the triangle that you have to find the height using the 45-45-90 triangle method or 30-60-90 triangle method, which will give you the other two sides, including the height
H=0 Therefore: 144t-16t²=0 t (144-16t)=0 We have two equations: 1) t=0 (when the ball is released) 2) 144-16t=0 -16t=-144 t=-144 / -16=9 (this is the time )
