JSCE Mathematics 2024 Objective — Question 50

Question 50 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.

Calculate the value of x in the diagram below;

• A. 90°
• B. 60°
• C. 30°Correct
• D. 20°

Explanation

The angles 2x and 3x are vertically opposite to the base angles, so the angles of the triangle are x, 2x and 3x. 6x = 180°, so x = 30°.

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