Daily-2-1-Contest-Math

What is the value of x with a reason?

• $112\degree$

• $56\degree$

• The angle at the center is equal to twice the angle at the circumference.

• The angle at the center is equal to the angle at the circumference.

Tags

CCSS.HSG.C.A.2

Given: BCD is a diameter;  $Angle\ D\ is\ =\ 23\degree$  
What is the value of angle A with a reason?

•  $90\degree$  

•  $67\degree$  

• Angle in semicircle.

• angles on a straight line.

Tags

CCSS.HSG.C.A.2

What is the value of angle D in the given circle? With a reason.
Given:  $Angle\ B\ is\ =27\degree$  

•  $27\degree$  

•  $54\degree$  

• Angle in the same segment.

• Interior angles in a triangle equal  $180\degree$  

Tags

CCSS.HSG.C.A.2

Given: ABCD is a cyclic quadrilateral.
Are the following statements true or false?
 $a+b=180\degree$  
 $c+d=180\degree$  

• True

• False

Tags

CCSS.HSG.SRT.C.8

Given:

 $AO=OB=5$  

 $OP\ is\ perpendicular\ to\ Ab\ and\ OP=3$  
What is the value of AB?

• 4

• 8

• 10

• 6

Tags

CCSS.HSG.C.A.2

In the diagram given DCBE is a cyclic quadrilateral in the circle with centre O
Given:  $angle\ D\ is\ 105\degree$  
 $angle\ B1\ is\ 30\degree$  
What is the size of angle O1?

•  $90\degree$  

•  $210\degree$  

•  $135\degree$  

•  $75\degree$  

Tags

CCSS.HSG.C.A.2

Name a chord.

• Segment XC
• Segment KM
• Segment HJ
• LINE BD

Tags

CCSS.HSG.C.A.3

CCSS.HSG.C.A.2

A line that intersects a circle at exactly one point

• secant
• circle
• chord
• tangent

Tags

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

Which best describes line AB?

• chord
• secant
• tangent
• diameter

Tags

CCSS.HSG.C.A.3

CCSS.HSG.C.A.2

CCSS.HSG.C.A.4

What best describes segment AB?

• chord
• secant
• tangent
• diameter

Tags

CCSS.HSG.C.A.3

CCSS.HSG.C.A.2