danielavalero200682
danielavalero200682 danielavalero200682
  • 30-03-2022
  • Mathematics
contestada

Find the measure of Angle A and C ​

Find the measure of Angle A and C class=

Respuesta :

syedamaimuna9a6
syedamaimuna9a6 syedamaimuna9a6
  • 30-03-2022

ANSWER :

to find the measure of A and C

angle A + angle B = 180 (linear pair)

3x - 20 + 2x = 180

5x - 20 = 180

5x = 180 + 20

5x = 200

x = 200 ÷ 5

x = 40

angle A = (3x - 20) = 3 × 40 - 20 = 120 - 20

= 100

angle C = (2x -15) = 2 × 40 - 15 = 80 - 15

= 65

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