Question

Anyone plz solve this


plz dont spam dear :)​

Answer 1

$\huge\fbox\red{S}\fbox\pink{O}\fbox\blue{L}\fbox\green{U}\fbox\blue{T}\fbox\orange{I}\fbox\green{O}\fbox\pink{N}$

$\pi \: R {}^{2} + \pi \: r {}^{2} = 116\pi \\ R {}^{2} + r {}^{2} = 116 \\ R - r = 6 \\ \;\large{\boxed{\bf{\red{R = 6 + r}}}} - - (i)$

$(6 + r) {}^{2} + r {}^{2} = 116 \\ 2r {}^{2} + 12r + 36 - 116 = 0 \\ r {}^{2} + 10r - 4r - 40 = 0 \\ (r - 4)(r + 10) = 0 \\ r = \: 4 \:, - 10$

$\sf\colorbox{green}{Now take Positive Sign Value of r and put on 1st Equation }$

$r = 4cm \: \\ R = 4 + 6 = 10cm$

$\;\large{\boxed{\bf{\green{R = 10 \: cm}}}} \: is \: the \: ans..$

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$\sf\blue{hope \: this \: helps \: you!! \: }$

@Mahor2111

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Answer 2

please do refer the attachment above!!