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taurus [48]
2 years ago
13

Hiii!! I need help with these two questions (will put brainliest) TY

Mathematics
1 answer:
Fed [463]2 years ago
4 0

Answer:

First~part:\\Radius~of~big~circle(R) = 6\\Radius~of~small~circle(r)=x\\Now,\\Area ~of~ border ~= Area ~of~ big~ circle - area~ of~ small~ circle\\~~~~~~~~~~~~~~~~~~~~~~~=\pi R^{2} - \pi r^2 = \pi (6)^2-\pi r^2\\~~~~~~~~~~~~~~~~~~~~~~~= \pi (6^2-r^2)\\~~~~~~~~~~~~~~~~~~~~~~~=\pi (36+r)(36-r)Second part:\\Length~of~big~square~carpet (L) =x\\Length~of~small~square~carpet (l) =  2y\\Now,\\Area~of~the~carpeted~floor = Area~ of~ big ~square~ carpet - area ~of ~small~ square~ carpet\\~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~=L^2-l^2 = x^2-4y^2 =(x+2y)(x-2y)

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