maryssarodriguez97
maryssarodriguez97 maryssarodriguez97
  • 23-05-2019
  • Mathematics
contestada

please help with this

please help with this class=

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romannp
romannp romannp
  • 23-05-2019

[tex]area \: of \: circle \: a1 = \pi {r}^{2} = \pi \times {21}^{2} = \\ 441\pi sq \: \: .in \\ area \: of \: triangle \: a2 = \frac{1}{2} bh = \frac{1}{2} \times 20 \times 39 \\ = 390 \: sq.in \\ now \: area \: of \: shaded \: region = a1 - a2 \\ = 441\pi - 390 \\ = 995.44 \: sq.in[/tex]

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