What is the Pythagorean Therom

When keisha installed a fence along the 200 foot perimeter of her rectangular back yard, she left an opening for a gate. in the diagram below, she used x to represent the length in feet of the gate? what is the value? a. 10 b. 20 c. 25 d. 30

If value of cos330° is √3/2 then find tan165°.

Which term applies to agb and dge? a. obtuse b. supplementary c. complementary d. vertical