In an obtuse triangle, the measures of two angles are 20° and 10°. What is the measure of the third angle?
2 answers:
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We are to form the combination of 6 objects taken 2 at a time. This can be expressed as 6C2
This means, there can be 15 different combinations of 2 members that can sit in the front row.
So, the answer to this question is option A
This means, there can be 15 different combinations of 2 members that can sit in the front row.
So, the answer to this question is option A