Waec Model Questions Vol1 2022 Mathematics Question 46

Practice objective / multiple choice question 46 from the 2022 Waec Model Questions Vol1 Mathematics examination.

Waec Model Questions Vol1 2022 Mathematics Objective / Multiple Choice Hard Difficulty
Question 46 WAEC_MODEL_QUESTIONS_VOL1 • 2022 • MATHEMATICS • objective

In triangle ABC, the lengths of sides AB and AC are 12 cm and 9 cm respectively. If angle A is 50 degrees, calculate the length of side BC using the Law of Cosines. Then, determine the area of triangle ABC.

Answer Options

A. Area ≈ 35.50 cm²; BC ≈ 8.10 cm
Correct Answer B. Area ≈ 41.22 cm²; BC ≈ 9.31 cm
C. Area ≈ 30.75 cm²; BC ≈ 7.50 cm
D. Area ≈ 50.00 cm²; BC ≈ 10.00 cm
Correct Answer
B
Correct Option:
Area ≈ 41.22 cm²; BC ≈ 9.31 cm

About This Question

This is Waec Model Questions Vol1 2022 Mathematics Question 46. It is one of the objective questions from the 2022 Waec Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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