standard_description: Know the formulas for the area and circumference of a circle and use them to solve problems; give an informal derivation of the relationship between the circumference and area of a circle.
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