Quadrilaterals in a Circle with Algebra

Find a and b.

• a=74 degrees
  b=93 degrees
• a=93 degrees
  b=74 degrees
• a=87 degrees
  b=106 degrees
• a=106 degrees
  b=87 degrees

Find the value of d.

• 115

• 65

• 96

• 180

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

• 10
• 20
• 30
• 40

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

• 70

• 50

• 30

• 10

Opposite angles in a quadrilateral inscribed in a circle are _________

• Congruent

• Complementary

• Supplementary

• Parallel

How can we know that opposite angles in an inscribed quadrilateral are supplementary?

• The opposite angles in an inscribed quadrilateral are inscribed angles that intercept all of the circle.

• The opposite angles in an inscribed quadrilateral are inscribed angles that intercept half of the circle.

• The opposite angles in an inscribed quadrilateral are central angles that intercept all of the circle.

• The opposite angles in an inscribed quadrilateral are central angles that intercept half of the circle.

What is the measure of angle A?

• 34°

• 180°

• 112°

• 79°

Solve for x.

• 14

• 10

• 11

• 2

Find the value of c.

• 84

• 65

• 96

• 180

Find the value of a.

• 132

• 230

• 17

• 65