Answer :
Answer:
a and b lie on the straight line CA, so a and b sum to 180°, that is supplementary angles
is it
A) vertical angles
B) Complementary angles
C)Supplementary angles
D) none of the above
Step-by-step explanation:
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Answer:
see explanation
Step-by-step explanation:
a and b lie on the straight line CA, hence
and b sum to 180°, that is supplementary angles
