What is the probability that a point chosen at random in the given figure will be inside the smaller triangle?

enter your answer, as a fraction in simplest form, in the box.
p(inside smaller triangle) =

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angles. measure need asap

Abird on top of a 200 ft bridge tower sees a man standing on the lower part of the bridge (which is 50 ft above the ground). the angle of depression from the bird is 26 ̊. how far is the man from the base of the bridge tower? with explanation and pictures .

What value is a discontinuity of x squared plus 8 x plus 4, all over x squared minus x minus 6?