Circle Theorems - 15E HW

Which is the correct way to solve this?

• 70=(180+x)/2
• 70=(180-x)/2
• x=(180+70)/2
• x=(180-70)/2

Which is the correct way to solve this?

• x=(142-72)/2
• x=(142+72)/2
• 72=(142-x)/2
• 72=(142+x)/2

What is the value of x?

• 92
• 25
• 12.5
• 105

Solve for x.

• 29

• 33

• 41.5

• 50

Find the measure of the indicated angle.

Find the measure of angle ADB.

Find the measure of the missing arc.

• 70°

• 100.5°

• 201°

• 140°