violetv23
violetv23 violetv23
  • 26-03-2021
  • Mathematics
contestada

solve the right triangle. round decimal answers to the nearest tenth.

solve the right triangle round decimal answers to the nearest tenth class=

Respuesta :

smtfarcenim2 smtfarcenim2
  • 26-03-2021

Answer:

AB = 15 A = 36.9 B = 53.1

Step-by-step explanation:

A2 + B2 = C2

12(2 + 9(2 = 144 + 81 or 225 = C2

sqaure 225 to get rid of the exponent

so C = 15 or AB = 15

Divide your Oppisite by Hypo so 9/15 = .6

then use x = sin-1(0.6) to find angle A or 36.9

then add 36.9 to 90 and minus that from 180

so 180 - 126.9 = 53.1

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