For the circumference, you actually multiply by 20 because of the formula πd = C [OR 2πr = C]. You meant to double the radius.
Answer:
16
Step-by-step explanation:
multiply 32 by whatever a right angle give you
Answer:
8.17 grams
Step-by-step explanation:
To find the total mass of the two coins add the masses together.

Answer: The volume is 75.4 inches
Step-by-step explanation: