pichny1777 pichny1777
  • 12-03-2021
  • Mathematics
contestada

Pls help me I don’t know

Pls help me I dont know class=

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nihalachar
nihalachar nihalachar
  • 12-03-2021

All angles of a triangle sums up to 180 degrees

a° = 3a + 90 = 180°

   3a = 180 - 90

   3a = 90

     a = 90÷3

     a = 30°

b = 180-(25+90)

b = 180 - 115

b = 65°

PLEASE MARK THIS ANSWER THE BRAINLIEST

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thezionsky thezionsky
  • 12-03-2021

Answer:

b= 65 a=25 and 2a=32.5

Step-by-step explanation:

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