Angles and Arcs Circles and Circumference Arcs and Chords.

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Presentation transcript:

Angles and Arcs

Circles and Circumference

Arcs and Chords

Inscribed Angles

Tangents

Let’s Begin!

$100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 $100 $200 $300 $400 $500 Angles and Arcs Circles and Circumference Arcs and Chords Inscribed Angles Tangents Potpourri Ch. 10 Review: Circles

Line AB is one of these. A B C D E

What is radius?

Line AC is one of these. A B C D E

What is the diameter?

The circumference of a circle with a diameter of 14 is this.

What is 14π in?

The radius of a circle if its circumference is 100π ft.

What is 50 ft?

The area of a circle with a radius of 6 in.

What is 36π in 2 ?

In circle B, <ABC is called this. A B C

What is Central Angle?

In circle G, arc DFE is this kind of arc and its measure is this. D G E F 60°

What is major arc and 300°?

The measure of arc WY is this. U V W Y Z (2x+65)° (4x+15)°

What is 115°?

The length of arc XY. X 60° 6 in Y

What is 2π in?

The area of sector bounded by arc BE. B E 120° 12 cm

What is 48 π cm?

Line DE is an example of this. A B C D E

What is a chord?

A stop sign is said to be _______ inside of the circle. STOP

What is inscribed?

If AM = 40 ft, the length of line AB is this. Y M BA

What is 80 ft?

y = this. A C D E (3y+10)° (2y+30)°

What is 20?

The measure of line AB. X B C A 55

What is 5√3 or ~8.7?

An inscribed angle is _____ the measure of its included arc.

What is half?

If the measure of an inscribed angle is 90° then the triangle formed by that angle and its diameter is always inscribed in this.

What is a semicircle?

The measure of arc XY. X Y Z 35°

What is 70°?

Quadrilateral WXYZ is inscribed in B. This is x. W X Z Y B (6x+36)° (7x+14)°

What is 10?

The measure of arc EF. P G E F (7x-19)° (5x+7)°

What is 144°?

The point of intersection of a tangent line and a circle.

What is the point of tangency?

If a line is tangent to a circle then it is _______ to the radius drawn to the point of tangency.

What is perpendicular?

The length of line ON. N L M 3 4 O

What is 2?

The length of line RS. S Q R 12 ft 8 ft T

What is 16 ft?

The length of line ED. D G F (3x-7) ft E (x-2) ft

What is ½ ft?

Answer.

Question?

Answer.

Question?

Answer.

Question?

Answer.

Question?

Answer.

Question?

Final Jeopardy Definition

Final Answer.

Final question?

Thank you for playing.