Igcse Model Questions Vol1 2018 Mathematics Question 20

Practice objective / multiple choice question 20 from the 2018 Igcse Model Questions Vol1 Mathematics examination.

Igcse Model Questions Vol1 2018 Mathematics Objective / Multiple Choice Hard Difficulty
Question 20 IGCSE_MODEL_QUESTIONS_VOL1 • 2018 • MATHEMATICS • objective

In triangle XYZ, side \(x = 9\) cm, side \(y = 12\) cm and the included angle \(Z = 60^{\circ}\). Find (i) the area of the triangle and (ii) the radius \(R\) of its circumcircle. Give your answers in simplest surd form.

Answer Options

A. Area = 54\sqrt{3} cm^2; Circumradius = \sqrt{39} cm
B. Area = 27 cm^2; Circumradius = \sqrt{45} cm
C. Area = 27\sqrt{3} cm^2; Circumradius = 5\sqrt{3} cm
Correct Answer D. Area = 27\sqrt{3} cm^2; Circumradius = \sqrt{39} cm
Correct Answer
D
Correct Option:
Area = 27\sqrt{3} cm^2; Circumradius = \sqrt{39} cm

About This Question

This is Igcse Model Questions Vol1 2018 Mathematics Question 20. It is one of the objective questions from the 2018 Igcse Model Questions Vol1 Mathematics examination.

Difficulty level: Hard .

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