Question

15. On producing a side of a triangle, the exterior angle so formed is 128. If the
interior opposite angles are in the ratio 1: 3, then find the measure of the
difference of greatest angle and the least angle of the triangle.
a) 35°
b) 58°
c) 23°
d) 28°​

Answer 1

Answer:

non of the above

Step-by-step explanation:

1x + 3x = 128

4x = 128

X = 32

then all the angles are 32, 52, 96

96 - 32 = 64

Answer 2

Answer:

None of these

Step-by-step explanation:

Let the number be x

then 1x :3x

1x+3x=128°

4x=128°

x=128°/4=32°

if x=32°then 3x=32×3=96°