Answer: -1.1 , 2.4 , 1.51
Step-by-step explanation:
The answer is A, or 13 because .03 + .03 = .06 and .32-.06=.26.0.26/.02 =13.
Answer:

Step-by-step explanation:





Answer:
Right-triangle
Step-by-step explanation:
Take a right triangle for example, then twist it 360 degrees, keeping the longest leg at the center of rotation. It will then form a cone.