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GEOMETRY AND TRIGONOMETRY - Jamb Mathematics Past Questions and Answers

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Jamb Mathematics Past Questions

Jamb Past Questions and Answers on GEOMETRY AND TRIGONOMETRY

Question 21:


In the circle above, with centre O and radius 7 cm. Find the length of the arc AB, when < AOB = 57°.

A. 5.32 cm
B. 4.39 cm
C. 7.33 cm
D. 6.97 cm


Question 22:


Calculate the volume of the regular three dimensional figure drawn above, where < ABC = 90° (a right- angled triangle).

A. 394 cm\(^3\)
B. 425 cm\(^3\)
C. 268 cm\(^3\)
D. 540 cm\(^3\)


Question 23:


If \(\sin x = \frac{4}{5}\), find \(\frac{1 + \cot^2 x}{\csc^2 x - 1}\).

A. \(\frac{13}{2}\)
B. \(\frac{25}{9}\)
C. \(\frac{3}{13}\)
D. \(\frac{4}{11}\)


Question 24:


From a point R, 300m north of P, a man walks eastwards to a place; Q which is 600m from P. Find the bearing of P from Q correct to the nearest degree

A. 026\(^o\)
B. 045\(^o\)
C. 210\(^o\)
D. 240\(^o\)


Question 25:


Calculate the area of an equilateral triangle of side 8cm

A. 8√3
B. 16
C. 4√3
D. 16√3






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