leeleelynn
16.11.2020 •
Mathematics
Juan is going to make a small table with a circular top. He drew a circle with a diameter of 22 inches to
show his design.
22 in.
Which of these is closest to the area in square inches of the tabletop Juan is going to make?
O A. 69
OB. 138
O C. 380
OD. 1,520
CV
A
O EPIC
Solved
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Ответ:
C. 380
Step-by-step explanation:
Area of the tabletop = area of a circle
Area of a circle = πr²
radius (r) = ½*diameter = ½*22 = 11 in
Take π as 3.14
Plug in the values into the formula
Area of tabletop = 3.14*11² = 379.94
Area of tabletop would be approximately 380 in² (to nearest whole number)
Ответ: