Mathematics JAMB Past Questions

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1036

In XYZ, y = z = 30° and XZ = 3cm. Find YZ

A. \(\frac{\sqrt{3}}{2}\) cm
B. 3\(\frac{\sqrt{3}}{2}\) cm
C. 3\(\sqrt{3}\) cm
D. 2\(\sqrt{3}\) cm

View Answer & Discuss JAMB 1989

1037

if x : y = 5 : 12 and z = 52cm, find the perimeter of the triangle.

A. 68cm
B. 84cm
C. 100cm
D. 120cm

View Answer & Discuss (9) JAMB 1989

1038

The pilot of an aeroplane, flying 10km above the ground in the direction of a landmark, views the landmark to have angles of depression of 35^o and 55^o. Find the distance between the two points of observation

A. 10(sin 35^o - sin 55^o)
B. 10 cos35^o - cos 55^o
C. 10(tan35^o - tan55^o)
D. 10(cot35^o - cot55^o)

View Answer & Discuss (4) JAMB 1989

1039

4sin² x - 3 = 0, find x if 0 \(\geq\) x \(\geq\) 90^o

A. 30^o
B. 45^o
C. 60^o
D. 9^o

View Answer & Discuss (1) JAMB 1989

1040

A square tile has side 30cm. How many of these tiles will cover a rectangular floor of length 7.2m and width 4.2m?

A. 336
B. 420
C. 576
D. 720

View Answer & Discuss JAMB 1989

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Mathematics JAMB Past Questions

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