Math, asked by aastha126, 11 months ago

Find the area of the surface of the octagonal nut....

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Answered by banu26

$area \: of \: octagon = 2 \times area \: of \: trapezium + area \: of \: rectangle \\ = 2 \times (1 \div 2 \times 4 \times( 5 + 11) )+ (5 \times 11) \\ = 2×32 + 55 \\ = 64 + 55 \\ = 119$

aastha126: ans is wrong..

aastha126: the ans.is 119cm^2

banu26: sorry

aastha126: okh ...

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