Find Missing Angles In A Triangle Using Interior And Exterior Angles -Multiple Choice Questions Quiz

Interactive MCQs on the topic “Find Missing Angles In A Triangle Using Interior And Exterior Angles”:

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Question 1:In a triangle, if two interior angles are 50° and 60°, what is the measure of the third angle?

(A) 60°
(B) 65°
(C) 70°
(D) 75°

Question 2:If the exterior angle of a triangle is 110° and one of the opposite interior angles is 40°, what is the other opposite interior angle?

(A) 50°
(B) 55°
(C) 65°
(D) 70°

Question 3: The exterior angle of a triangle is 120°, and one of the interior opposite angles is 45°. What is the measure of the other interior opposite angle?

(A) 65°
(B) 75°
(C) 85°
(D) 95°

Question 4:In a triangle, one of the interior angles measures 85°. What is the measure of the exterior angle adjacent to this 85° angle?

(A) 85°
(B) 90°
(C) 105°
(D) 95°

Question 5:A triangle has two angles measuring 40° and 55°. What is the exterior angle adjacent to the vertex with the third angle?

(A) 75°
(B) 85°
(C) 95°
(D) 105°

Question 6:If one interior angle of a triangle is 70°, what is the measure of the adjacent exterior angle?

(A) 50°
(B) 110°
(C) 70°
(D) 100°

Question 7:A triangle has one angle measuring 35° and another measuring 65°. What is the measure of the third angle?

(A) 80°
(B) 85°
(C) 90°
(D) 95°

Question 8:The exterior angle of a triangle is 150° and one of the opposite interior angles is 60°. What is the other opposite interior angle?

(A) 70°
(B) 80°
(C) 90°
(D) 100°

Question 9:If a triangle has one interior angle of 55° and another of 75°, what is the measure of the third angle?

(A) 45°
(B) 55°
(C) 60°
(D) 50°

Question 10:If the exterior angle of a triangle is 130° and one of the opposite interior angles is 50°, what is the other opposite interior angle?

(A) 70°
(B) 80°
(C) 90°
(D) 100°