HiI saw this question in gmatprep and did wrong : I dont have all the option but was puzzled not seeing the mine calculation:
A circular garment of radius r is surrounded by some metallic construction of width. Find the area of the metallic stuff...
Circular metal grills
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Sounds like a typical problem from GMAT prep materials of a circle within a circle.
There's a recent explanation in the problem solving section:
https://www.beatthegmat.com/geometry-con ... 29684.html
If that's not what you need, please add a more specific question.
There's a recent explanation in the problem solving section:
https://www.beatthegmat.com/geometry-con ... 29684.html
If that's not what you need, please add a more specific question.