JAMB Mathematics 2021 Objective — Question 12

Question 12 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2021 Objective paper, with the correct answer and a full explanation.

12. [See diagram] What is the size of <SRQ? (a) 100° (b) 50° (c) 80° (d) 70°

A. 100°Correct
B. 50°
C. 80°
D. 70°

Explanation

Using the property that opposite angles of a cyclic quadrilateral are supplementary, together with the base angles of the isosceles triangle formed and the angle between a tangent and chord, <SRQ works out to 180° - 80° = 100°.

Sign up free to unlock

Score tracking
Practice history
Saved questions
Progress dashboard
Personalized sessions
Weak-topic breakdown

…and/or go further with premium services and No Ads.

Create free account

More questions from Mathematics 2021 Objective More Mathematics past papers