Blake is calculating the surface area and Ivy is calculating the volume of the cone. However,
one of them made an error in their calculation.
Identify which one of them made an error and
the source of their error.

The triangle shown has a hypotenuse with a length of 13 feet. the measure of angle a is 20 degrees. and the measure of angle b is 70 degrees. which of the following is closest to the length, in feet, of line segment ac? no need to use a calculator to find the trig numbers. each function is listed below. 4.4 5 12.2 35.7