2014
Mathematics
JAMB
Find the value of x in the figure above
A.
20√3cm
B.
10√3cm
C.
5√3cm
D.
4√3cm
Correct Answer: 10√3cm
Explanation
In the figure above, x/sin 60° =10/sin30° (Sine rule) x = 10sin60°/sin30° = 10 x √3/2 × 1/2 = 10 x √3/2 × 2/1 = 10√3cm
In the figure above, x/sin 60° =10/sin30° (Sine rule) x = 10sin60°/sin30° = 10 x √3/2 × 1/2 = 10 x √3/2 × 2/1 = 10√3cmTHIS WEEK's
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