10-3 Day 2: Arcs and Chords

Which segment is a radius?

• LM
• DC
• BD
• ML

Tags

CCSS.HSG.C.A.2

Give an example of a chord.

What is the value of x?

• 10
• 5
• 18
• 9

In a circle (or congruent circles), congruent arcs:

• have congruent chords
• have congruent points
• are twice the measure of their radii
• can swim with a hippo

What is the value of x?

• 10
• 181
• 34
• 40

• 278⁰
• 297⁰
• 90⁰
• 105⁰

What is the value of x?

• 45^o
• 90^o
• 22.5^o
• 128^o

What is the length of segment CE?

• 38

• 19

• 3
• 44

What is the value of x?

HINT - LM bisects both the chord and the arc

• 31.3

• 8
• 16.3
• -8

Find the value of x. Round your answer to the nearest tenth.

HINT - use information about right triangles

(a)