Answer:
452.2 cm
Step-by-step explanation:
A = 4πr²
A = 4 (3.14) (6)²
A = 4 (3.14) (36)
A = 452.16
A = 452.2 cm (nearest tenth)
Find 33% of 185:
0.33 * 185 = 61.05
Subtract this from the regular price:
185 - 61.05 = 123.95
So the sale price is $123.95
Is there a specific question that you want to ask?
Answer:
3 79/100
Step-by-step explanation:

If the first one is a = 180 - b, and not 180 - 6, then that is correct.
Also, 360 = 2a + 2b is correct