Circle Geometry Angles

To name a minor arc use __letters.

• 1

• 2

• 3

• 4

What type of angle is <ABC?

• Inscribed Angle

• Reflex Angle

• Acute Angle

• Obtuse Angle

A major arc is

• Greater than 180°

• Less than 180°

• Exactly 180°

• Equal to 360°

A line is a tangent to a circle if it is perpendicular (makes a right angle) with the _________.

• diameter

• radius

• chord

• secant

What is the relationship between <P and <S?

• <P + <S = 90⁰

• <P + <S = 180⁰

• <P - <S = 180⁰

• <P * <S = 180⁰

If a quadrilateral is inscribed in a circle, then its opposite angles are ____________.

• congruent

• equal

• supplementary

• complementary

In the equation (x-h)² + (y-k)² = r² What does r stand for?

• Diameter

• Circumference

• Radius

• Area

What type of angle is <ABC?

• Central Angle

• Acute Angle

• Obtuse Angle

• Right Angle

Write the formula to find the m<1.

• m<1 = 1/2(Big arc + Small arc)

• m<1 = Big arc - Small arc

• m<1 = 1/2(Big arc - Small arc)

• m<1 = Big arc + Small arc