21141350
Description
Quiz by Zeinab Zeineddine, updated more than 1 year ago
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Created by Zeinab Zeineddine
about 4 years ago
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Question 1
Question
Give a circle C(O;4cm) and a point A such that OA=2 cm, then
Answer
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A on (C)
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A inside (C)
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A outside (C)
Question 2
Question
The diameter is the shortest chord in a circle
Answer
- True
- False
Question 3
Question
The 2 circles A(M; 5) and B(N;3) where MN= 2 are disjoint internally
Answer
- True
- False
Question 4
Question
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
Answer
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r=10 and r'=2
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r'=8 and r=4
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r'=4 and r=8
Question 5
Question
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.
Answer
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R'=3 and R=12
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R=7 and R'=2
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