Secants, Tangents, and Angles

In circle O, what is mAE?

120°

In circle Z, what is m∠2?

140°

What is mPO?

173°

A secant and a tangent meet at a 90° angle outside the circle. What must be the difference between the measures of the intercepted arcs?

180°

In circle Y, what is m∠1?

31°

In the diagram of circle C, what is the measure of ∠1?

35°

In the diagram of circle O, what is the measure of ∠ABC? [_______]

54°

What is mSU?

77°

Which equation is correct regarding the measure of ∠1?

m∠1 = 1/2(b - d)

Which equation is correct regarding the measure of ∠MNP?

m∠MNP = 1/2(x - y)

Which equation is correct regarding the diagram of circle O?

m∠XZY = 1/2(a - b)

Which statement is true regarding the diagram of circle P?

🚫 difference of z and y must be 1/2x

Which equation can be used to solve for m∠1?

🚫1/2(c + d)

In circle C, what is mFH?

🚫31°