Given sine of alpha equals 2/3 and cosine of alpha is less than zero, find the exact value of the other five trigonometric functions

In trapezoid efgh, m∠gfe=63∘. identify m∠ghe. !

David must install fencing around a lot that is shaped like a right angle.the side of lot that runs east-west is 200 ft long.the side of the lot runs north-south is 125 ft long.calculate how many feet of fencing he will need to surround the entire lot.

Select all the expressions that will include a remainder.