gillian2348 gillian2348
  • 17-05-2021
  • Mathematics
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What is the measure of angle A in the triangle shown above?

What is the measure of angle A in the triangle shown above class=

Respuesta :

angieshaito
angieshaito angieshaito
  • 17-05-2021

Answer:

answer is A

sum of angles = 180

5x -20 + 3x +5 + 2x - 15 =180

10x = 180 + 30

10x=210

x=21

A=3×21+5

=68

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