The outer and inner radii of an annulus are 15cm and 8cm then width of annules is
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Answer:
Sorry didn't quite get what u asked but if you asked the area of the annulus then it is 161pi cm^2 and if you wanting the width its well 7 cm
Step-by-step explanation:
How?
ar big circle - ar small circle = 15^2pi - 8^2pi
= 225pi - 64pi
= 161pi cm^2
width = radius big circle - radius small circle
= 15 - 8
= 7
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