What is the formula for the area of a circle?

Exploring Circles and CPCTC Concepts

Interactive Video
•
Mathematics
•
6th - 10th Grade
•
Hard

Jackson Turner
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
pi times the radius squared
diameter times pi
pi times the diameter squared
2 times the radius times pi
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula can be used to calculate the circumference of a circle?
pi times the radius squared
2 times the radius times pi
radius times pi
diameter squared times pi
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do we label a circle?
By the radius
By the center point
By any point on the circle
By the diameter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the theorem about the radii of a circle?
All radii of a circle are different
All radii of a circle are perpendicular
All radii of a circle are parallel
All radii of a circle are equal
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What should you look for in a diagram when given a circle?
The diameter
The area
The circumference
The radii
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the reason for stating that AB is congruent to BC in a circle?
All tangents of a circle are congruent
All diameters of a circle are congruent
All chords of a circle are congruent
All radii of a circle are congruent
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does CPCTC stand for?
Congruent parts of corresponding triangles are equal
Corresponding parts of congruent triangles are congruent
Congruent parts of corresponding triangles are congruent
Corresponding parts of congruent triangles are equal
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