zianathomas5 zianathomas5
  • 23-05-2020
  • Mathematics
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Area of the plane figure

Area of the plane figure class=
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hoanganh384628 hoanganh384628
  • 23-05-2020

Answer:

Area = 16.8 * 7 / 2 = 58.8 ft2

Step-by-step explanation:

Have

18.2^2 = 7^2 + a^2

-> a^2 = 18.2^2 - 7^2

-> a^2 = 282.24

-> a = 16.8

Area = 16.8 * 7 / 2 = 58.8 ft2

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