Geo Review 10-1-10-4

It is a segment whose endpoints are the center a the center of a circle and a point on a circle.

• Radius

• Diameter

• Chord

• Secant

It is a line that intersects the circle in two parts and a line that contain a chord.

• Tangent

• Secant

• Radius

• Diameter

What part of the circle is segment DC?

• Diameter

• Secant

• Chord

• Tangent

What part of the circle is line E?

• Diameter

• Radius

• Chord

• Tangent

Name the radii in the given figure above.

• Segment OA & OE

• Segment OA & OB

• Segment OA, OB, & OE

• Segment OA, OB, OE, & DC

what is the circumference of this circle ?

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

Find the circumference of a circle with a radius of 12.5 mm .

• 37.68mm
• 18.84mm
• 78.5mm
• none of the above

If you are given the diameter, how can you calculate the radius?

• Multiply the diameter by 2
• Divide the diameter by 2
• Add 2 to the diameter
• Subtract 2 from the diameter

What is the area of this circle?

• 163.2
• 15.3
• 124.2
• 113.1

What is the area of this circle?

• 1385.44
• 2142.12
• 5541.77
• 1289.12