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schepotkina
[342]
2 years ago
7
A circle of radius 32cm is cut into 8 equal parts calculate the perimeter of each part giving your answer correct to the nearest
millimeter
Mathematics
Answer
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2
answers:
Vaselesa
[24]
2 years ago
7
0
Hey! answer is 40212mm
—————————————
10mm in a cm, so radius is 320mm
area of a circle is pi multiplied by (radius squared)
so it’s pi multiplied by (320 squared) = 102400 pi
(put it in a calculator)
then the circle is in eight equal sections and you want each part, so divide the number from before by 8. this gives you 12800 pi.
press the s<->d button on the calculator to get the decimal version: 40212.38597
this is already in mm, so round it to get 40212mm
Send
erastovalidia
[21]
2 years ago
3
0
I think it’s 16
Radius of circle = 32
Diagonal of circle = 64 cm
So 64 divided by 8 = 16
Mark me as brainliest
Send
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