JSCE Mathematics 2022 Objective — Question 42

Question 42 of 80 from the Junior Secondary Certificate Examination (JSCE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

Which one of the angles cannot be constructed using ruler and a pair of compasses only?

A. 15°
B. 22.5°
C. 35°Correct
D. 75°

Explanation

Angles built from 60° and 90° by bisection/addition (15°, 22.5°, 75°) can be constructed; 35° cannot.

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