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: Below is circle
$$A$$
:
[IMG]
What is the
$$m\angle BAC$$
in degrees to the nearest hundredth?
What is the
$$m\widehat{BC}$$
in radians to the nearest hundredth?


aligns: no