WAEC - Mathematics (2015 - No. 21)
PQRS is square. If x is the midpoint of PQ, Calculate correct to the nearest degree, <SPX
53o
55o
63o
65o
解释
In the diagram given,
tan\(\alpha\) = \(\frac{1}{0.5}\) = 2
\(\alpha\) = tan - 1(2) = 63.43o
= 63o