Question

87.
The sum of two angles in a triangle is 95º and their difference is 25°. Then the angles of the
triangle.
(A) 75°, 50°, 55
(B) 85°, 65°, 30°
(C) 50°, 45°, 85°
(D) 60°, 35°, 85°​

Answer 1

Answer:

Option D✓✓

A+B = 95°

A-B = 25°

therefore , A= 60° , B = 35°

A+B+C= 180°

so C = 85°

Answer 2

Answer:

According to question

let one angle be x and other angle be y

x+y=95° - mark it as equation 1

x-y=25° - mark it as equation 2

add both equation you will get

2x= 120°

x=60°

y=95°-60° from equation 1

y=35°

by angle sum property of triangle

x+y+z=180°

60°+35°+z=180°

95°+z=180°

z=180°-95°

z=85°

hence the correct answer is D

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