Lets work backwards. π r2 = 62 cm. 62 / 3.14 = 17.75. Square root of 17.75 = 4.21. Okay, now using the radius of 4.21 we will use the formula C = 2 πr. C = 2 (3.14)(4.21) = 2 (13.22) = 26.44. So the circumference of each button is approximately 26.44 cm.
Answer:
B.)
Step-by-step explanation:
Area=theta/360*pi r^2 for any theta r
It's 3/4 because you divide the top and bottom by 8
Area of rectangle prism, to find the answer, use this formula: 2 x ( h x d + h x w + d x w )
So it would look like this: 2 x ( 12 x 6 + 12 x 7 + 6 x 7 ) = 396
I would say the answer is B. 396 in2
Hope I helped ; )
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