Question

find the area of the shaded region​

Answer 1

Answer:

$first \: in \: triangle \: draw \: perpendicular \: line \\ so \: we \: find \: height \: in \: the \: tringle \: \\ 2 { }^{2} + 2 {}^{2} = h {}^{2} \\ 4 + 4 = h {}^{2} \\ h {}^{2} = 8 \\ so \: \: h = 2 \sqrt{2} \\ then \: put \: in \: the \: formula > \\ area \: of \: shaded \: region \: </p><p> \\= area \: of \: square \: - \: area \: of \: triangle \\ = > (3 \times 5) - 1 \div 2 \times b \times h \\ = > 15 - 1 \div 2 \times 2 \times 2 \sqrt{2 } \\ = > 15 - 2 \sqrt{2} \\ = > 15 - 2 \times 1.414 \\ = > 15 - 2.828 \\ = > 1.172$

Answer 2

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