Question

In a triangle one of the exterior angle is 105". One of the interior opposite angle is 75
Find the measure of all the angles of the triangle
plz tell fast it's urgent​

Answer 1

Answer:

1st angle:30*

2nd angle:75*

(by straight angle 180*)

Answer 2

Given :

• In a triangle one of the exterior angle is 105". One of the interior opposite angle is 75

To find :

• Find the measure of all the angles of the triangle

Solution :

∠ACD = ∠A + ∠B (Exterior angle of triangle)

105° = ∠A + 75°

105° - 75° = ∠A

∠A = 30°

hence ∠A = 30°

sum of angel of triangle is 180°

∠A + ∠B + ∠C = 180°

75° + 30° + ∠C = 180°

105° + ∠C = 180°

∠C = 180° + 105°

∠C = 75°

• ∠A = 30°

• ∠B = 75°

• ∠C = 75°