100011
31.01.2020 •
Mathematics
Which ray is opposite cd ?
a. cd
b. bd
c. ac
d. ca
Solved
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Ответ:
Option D : CA
Step-by-step explanation:
We are given a ray CD .
We are required to find the ray opposite to CD from the given options.
Definition of Opposite Ray :Two rays with a common endpoint that point in opposite directions and form a straight line. is called Opposite Ray .
Option A : CD
It is wrong because it is the same ray for which we have to find the opposite ray.
Option B : BD
It is wrong because according to the definition of opposite ray it is not in the opposite direction of CD and BD itself contains CD.
Option C : AC
It is wrong according to the definition of Opposite Ray .
Option D : CA
It is true because CA and AC have a common endpoint that point in opposite directions and form a straight line.
Ответ:
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