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WAEC - Mathematics (2009 - No. 34)
PQRS is a trapezuim. QR//PS, /PQ/ = 5cm, /OR/ = 6cm, /PS/ = 10cm and angle QPS = 42
o
. Calculate the perpendicular distance between the parallel sides
3.35cm
3.73cm
4.50cm
4.62cm
解释
h = ?
\(\frac{h}{5cm}\) = sin 45
o
h = 5cm x 0.6691 = 3.35cm
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