Area of Triangle Multiple Choice Questions with Answers – PDF Download

MCQ 1: If a = 9.7 cm, angle B = 64° and c = 8.8 cm then the area of Δ ABC is:

1. 38.36 cm²
2. 42.36 cm²
3. 25 cm²
4. 24.35 cm²

MCQ 2: If a = 16.5 cm, angle B = 52° and c = 10 cm then the area of Δ ABC is:

1. 72.01 cm²
2. 83.01 cm²
3. 52.03 cm²
4. 65.01 cm²

MCQ 3: The formula for the area of a triangle is:

1. 1/height x base
2. height x base
3. 1/2 x base x height
4. 1/base x height

MCQ 4: The formula for the area of a triangle ABC is:

1. 1/2ab sin C + 1/2bc sin A + 1/2ac sin B
2. 1/2ab sin C = 1/2bc sin A = 1/2ac sin B
3. 3/2ab sin C = 3/2bc sin A = 3/2ac sin B
4. 2ab sin C = 2bc sin A = 2ac sin B

MCQ 5: In Δ ABC, angle A = 110° and AC = 2AB. If the area of Δ ABC is 15.5 cm² then the length of AB is:

1. 3.06 cm
2. 6.05 cm
3. 4.06 cm
4. 5.06 cm