In the diagram, m angle ACB=55.
Find m angle ACE.
Since AC is a tangent to the circle at C, we know that angle ACB is equal to half of angle ACE. Therefore,
angle ACE = 2 * angle ACB = 2 * 55 = 110 degrees.
Find m angle ACE.
angle ACE = 2 * angle ACB = 2 * 55 = 110 degrees.