Math III - Warm-up 12/2

what is the circumference of this circle ?

• 3.14 cm 
• 37.68 cm
• 24 cm
• 68.4 cm

Tags

CCSS.7.G.B.4

In circle O, the radius is 4, and the measure of minor arc AB is 120 degrees. Find the length of minor arc AB to the nearest integer.

• 5
• 9
• 8
• 6

Tags

CCSS.HSG.C.B.5

Find the value of x.

• 10
• 181
• 34
• 40

Tags

CCSS.HSG.C.A.2

In  a circle, if a radius or diameter is perpendicular to a chord, then it____ the chord and its arc.

• equals
• bisects
• arcs
• circles

• 278⁰
• 297⁰
• 90⁰
• 105⁰

Tags

CCSS.HSG.C.B.5