- A84°
- B144°
- C72°
- D96°
Step-by-Step Solution
The exterior angles add to 360°, so they are 96°, 120° and 144°. The interior angles are 84°, 60° and 36°; the largest is 84°.
Answer: A) 84°
The exterior angles of a triangle are in the ratio 4 : 5 : 6. What is the largest interior angle?
Competition practiceGeometry
Master this topic in 30 minutes a day.
Don't just memorise the answer — build a daily practice habit.
Practice 5 Similar Questions Free →All Geometry practice questions
More Geometry practice
The angles of a triangle are in arithmetic progression and the largest angle is twice…Triangle ABC has AB = AC, and a point D on AC satisfies AD = BD = BC. Find ∠BAC.A line through vertex A of triangle ABC is drawn parallel to BC. It makes angles of 52°…In triangle ABC, ∠A : ∠B = 2 : 3 and ∠C exceeds ∠A by 40°. The bisector of ∠C meets AB…A triangle has sides 10 cm, 14 cm and 18 cm. Find the perimeter of the triangle formed…