LonelyCrow
LonelyCrow LonelyCrow
  • 08-01-2018
  • Mathematics
contestada

given right triangle ABC with measure of <C = 90°, b=20 and c = 30 find a

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Аноним Аноним
  • 08-01-2018
c is the hypotenuse of the triangle 

so c^2 = a^2 + b^2

30^2 = a^2 + 20^2
a^2 = 30^2 - 20^2 =500

a = sqrt500 =  22.36   to nearest hundredth
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