Question

One of the exterior angles of a triangle is 80 dgree and the interior opposite angle are in the ratio 5:3. Find the angles of the triangle

Answer 1

Answer:

let the two angles be 5x and 3x

80=5x+3x

80=8x

x=80/8

x=10

5x= 5×10=50

3x= 3×10=30

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Answer 2

Answer:

50 degree ,30 degree ,100 degree

Explanation:

5x+3x = 80 degree

8x = 80

x = 10 degree

first angle = 50 degree

second angle = 30 degree

third angle = 180-80 = 100 degree