JSCE Mathematics 2024 Objective — Question 14

Question 14 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2024 Objective paper, with the correct answer and a full explanation.

John has a conference table with four sides and angles, three of the angles were given. Find the fourth angle.

• A. 32°Correct
• B. 42°
• C. 56°
• D. 68°

Explanation

Angles of a quadrilateral add up to 360°. y = 360° - (sum of the other three angles). Reading the left angle as 80°: y = 360° - (80° + 108° + 140°) = 32°.

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