Determine the measure of ∠A. ANSWWER: 1) 192° 2) 88° 3) 84° 4) 168°
Answer:
3) 84°
Step-by-step explanation:
The angle formed by a chord and a tangent measures half of the intercepted arc.
m<A = (1/2)m(arc) = (1/2) * (168 deg) = 84 deg