Inscribed Triangles and Quadrilaterals

AB is a diameter. The measure of angle B is 52 degrees.  Find the m < A. 

• 32 

• 128

• 90

AB is a diameter. The measure of angle C is 90 degrees and angle A is 79 degrees. Find the m < B.

• 101

• 90

• 11

AB is a diameter. The measure of angle C is 90 degrees and angle B is 68 degrees. Find the m < A.

• 90

• 112

• 22

AB is a diameter. The measure of angle C is 90 degrees and angle A is 17 degrees. Find the m < B.

• 73

• 163

• 90

The m < B = 123 degrees. Find the m < D.

• 180

• 90

• 57

The m < C = 27 degrees. Find the m < A.

• 180

• 153

• 127

Find the m < x.

• 112 degrees

• 98 degrees

• 132 degrees

Find the m < y.

• 112 degrees

• 82 degrees

• 144 degrees

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

Angle R is right because

• the triangles is circumscribed and SQ is a radius

• the triangles is inscribed and SQ is a radius

• the triangles is inscribed and SQ is a diameter

• triangle QRS is inscribed