BECE Mathematics 2022 Objective — Question 50

Question 50 of 120 from the Basic Education Certificate Examination (Junior WAEC) (BECE) Mathematics 2022 Objective paper, with the correct answer and a full explanation.

Calculate the length of the hypotenuse of the triangle below, correct to one decimal place.

A. 3.4cm
B. 5.0cm
C. 6.5cm
D. 7.5cmCorrect
E. 8.3cm

Explanation

The 4 cm side is opposite the 32° angle. sin 32° = 4/h, so h = 4 ÷ 0.5299 = 7.5 cm.

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