Answer:

Step-by-step explanation:
Answer:
x=6 y=5
Step-by-step explanation:
Answer: 19.63
Step-by-step explanation:
A = pir^2 , pi*2.5^2 = 19.63
Answer:
Step-by-step explanation:
circumference = 2
r
= 2 × 3.14 × 50
= 31.4 mm
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