In the diagram, PQRW is a circle. Line P, V and QR are pr...
In the diagram, PQRW is a circle. Line P, V and QR are produced to meet at M, where ∠WMR = 30o and |WM| = |MR| Find the value of x
A.
10o
B.
25o
C.
35o
D.
60o
Correct answer is B
MPQ = PQM = 3x; ∆MPQ
MPQ + PQM + PMQ = 180° 3x + 3x + 30° = 180°
6x \times 30° = 180° 6x + 180° - 30°; 6x + 150°
x = \frac{150}{6} = 25^{\circ}
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