WX ←→ − and YZ ←→ intersect at point V. If m∠wvy=(4a + 58)° and m∠xvy=(2b−18)°, find the values of a and b such that WX ←→ − is perpendicular to YZ ←→.
a) a = 10, b = 8
b) a = 12, b = 6
c) a = 14, b = 10
d) a = 16, b = 12