Neco 2020 Mathematics Question 39

Practice objective / multiple choice question 39 from the 2020 Neco Mathematics examination.

Neco 2020 Mathematics Objective / Multiple Choice Hard Difficulty
Question 39 NECO • 2020 • MATHEMATICS • objective

In triangle \( ABC \), \( AB = 7 \) cm, \( AC = 9 \) cm, and the altitude from \( B \) to side \( AC \) meets \( AC \) at \( D \) such that \( CD = 4 \) cm. Find \( \sin \angle BAC \). Express your answer in simplest surd form.

Answer Options

A. \frac{\sqrt{6}}{7}
Correct Answer B. \frac{2\sqrt{6}}{7}
C. \frac{4\sqrt{6}}{7}
D. \frac{2\sqrt{3}}{7}
Correct Answer
B
Correct Option:
\frac{2\sqrt{6}}{7}

About This Question

This is Neco 2020 Mathematics Question 39. It is one of the objective questions from the 2020 Neco Mathematics examination.

Difficulty level: Hard .

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