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shusha [124]
2 years ago
8

Find the surface area 10in

Mathematics
1 answer:
Naya [18.7K]2 years ago
3 0

Answer:

Area of a triangle

\frac{bh}{2}  \\ 10 \times 10 = 100 \\ 100 \div 2 = 50 \\ the \: triangles \: have \: the \: same \: area \: and \: there \: are \: 4 \: triangles \: so \\ 4(50) = 200 \\ now \: we \: find \: the \: are \: of \: the  \: rectangular\: base \:  \\ area = bh \\ b = 10 \\ h = 10 \\ 10(10) = 100 \\ no w \: we \: add \: the \: area \: of \: the \: triangles \: and \: the \: square \\ 200  + 100 = 300  \: {in}^{2}

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