Plz help 20 points answers
1 answer:
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Answer:
Step-by-step explanation:
We need to find
We know that √-1 = i
Adding -49 and -4 and solving
Since 53 is not a perfect square so our answer is:
Answer: Circumference of circle = 27.004 inches
Area of circle = 58.0586 inches²
Step-by-step explanation:
Diameter of circle = 8.6 inches
Pi () = 3.14
Circumference of circle (With diameter) = d (
×diameter)
= 3.14 × 8.6
= 27.004 inches
Area of circle (With diameter) = /4
= 3.14 × 8.6 × 8.6 / 4
= 3.14 × 73.96 / 4
= 58.0586 inches²