standard_description: Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.
problem_activity: Problem 1
Find the value of the side length marked
$$x$$
.
[IMG]
Problem 2
Given the following right triangle, find all of the angle measures to the nearest degree.
[IMG]


aligns: no