Given: PS ∥ DT ,

ST ∥ PD , PS=18

SK ⊥ PD , SK=12

Find: m∠P, m∠S, m∠T, m∠D

Use the function nest to evaluate p(x) = 1 + x + · · · + x50 at x = 1.00001. (use the matlab ones command to save typing.) find the error of the computation by comparing with the equivalent expression q(x) = (x51 − 1)/(x − 1).

What is the area of the trapezoid shown ?

How would you find the height of points on the circle? the topic is trigonometry.