Answer:
x = 5/13
Step-by-step explanation:

16/21 is the correct answer
Answer:
9 . 5/3
10. - 5/11
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Answer:
The perimeter of a circle is π × d. Here's is the diameter of the circle. Hence, the perimeter of a circle is half of that of the circle that is ½ π × d.
The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.
Step-by-step explanation: