Respuesta :

kabitalamichhane32

Answer:

1 st angle = 40

2 nd angle= 50

Step-by-step explanation:

  1. let 1 st angle be 4x and 2 nd angle be 5x
  2. 4x +5x =90
  3. 9x =90
  4. x=90/9
  5. x= 10
aayu0302

Answer:

First angle = 40

Second angle = 50

Step-by-step explanation:

let 1st angle be 4x and 2nd angle be 5x

4x + 5x = 90 [Complementary means the sum of angles is 90]

=> 9x = 90

=> x = 90/9

=> x = 10

First angle = 4x = 4(10) = 40

Second angle = 5x = 5(10) = 50

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