Question

one angle of a triangle is 65 find the remaining tow angle if there differences is 20​

Answer 1

Answer:

65 + x + x - 20 = 180

2x + 65 - 2 20 = 180

2x + 65 = 180 + 20

2x + 65 = 200

2x = 200 - 65

2x = 135

x = 2sqrt(135)

x = 65.5