Zeinab Zeineddine
Quiz by , created more than 1 year ago

This evaluation to test your knowledge about the circles

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Zeinab Zeineddine
Created by Zeinab Zeineddine over 4 years ago
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Self evaluation G8

Question 1 of 5

1

Give a circle C(O;4cm) and a point A such that OA=2 cm, then

Select one of the following:

  • A on (C)

  • A inside (C)

  • A outside (C)

Explanation

Question 2 of 5

1

The diameter is the shortest chord in a circle

Select one of the following:

  • True
  • False

Explanation

Question 3 of 5

1

The 2 circles A(M; 5) and B(N;3) where MN= 2 are disjoint internally

Select one of the following:

  • True
  • False

Explanation

Question 4 of 5

2

Given the two circles C(O; r) and C(O'; r') where OO'=12
If the circles are tangent externally and r is double of r' than

Select one or more of the following:

  • r=10 and r'=2

  • r'=8 and r=4

  • r'=4 and r=8

Explanation

Question 5 of 5

4

Given the two circles (C ) and (C’) are internally tangent, and OO’= 9 cm.
Calculate R’, if R is twice the radius of (C’) decreased by 3 cm.

Select one of the following:

  • R'=3 and R=12

  • R=7 and R'=2

  • Find the correct answer

Explanation

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