Inscribed Polygons in Circles

Quadrilateral ABCD is inscribed in the circle. Which sentence is true?

• A and B are supplementary

• A and C are supplementary

• m∠ A = m∠ B

• m∠ C = m∠ D

Find the value of x

• 100

• 105

• 95

• 90

Given the following inscribed quadrilateral, what are the values of x and y?

• x = 70; y = 120

• x = 30; y = 20

• x = 20; y = 30

• x = 70; y = 40

Find the exact circumference of each circle using the given inscribed polygon.

• √58 π mm

• 58 π mm

• √20 π mm

• 21 π mm

Given the following inscribed quadrilateral, what is the value of y?

• 10

• 20

• 30

• 40

• complementary

• congruent

• supplementary

• A
• B
• C
• D

What is the measure of angle A?

• 34°

• 180°

• 112°

• 79°