Answer:
Reason 3: Definition of sine.
Reason 4: Multiplication property of equality
Reason 6: Division property of equality
The answer is (4x20) + (4x4) which equals 96
Answer:
Step-by-step explanation:
area = 
so it's 
= 153.938... 
circumference is 2
r = 2*
*7 = 43.98229 cm