1. △ABC is a right triangle with right angle at ∠B .
AB=34 cm
AC=55 cm
What is the measure of ∠C , to the nearest degree?
Enter your answer in the box.
2. Which equation correctly describes the relationship between the measures of the angles and arcs formed by the intersecting secants?
m∠1=12(mAB+mCD)
m∠1=12mAB
m∠1=mAB+mCD
m∠1=12(mAB−mCD)
3. What is the value of x?
Enter your answer, as an exact value, in the box.
x =
