How many degrees are measured in the interior angles
of a triangle?

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Issof claims that the scale factor is 1/2. which statement about his claim is correct

Find the exact value of each of the following. in each case, show your work and explain the steps you take to find the value. (a) sin 17π/6 (b) tan 13π/4 (c) sec 11π/3