618 runners registered for the marathon. Of these runners 0.8% completed the race in under 2 hr 15 min. a) how many runners comp
1 answer:
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Given:
Consider the below figure attached with this question.
and
.
To find:
The measure of angle 3.
Solution:
From the below figure it is clear that, angle 3 and angle 4 are vertically opposite angles.
We know that, vertically opposite angles are always equal. So,
Now,
Therefore, the measure of angle 3 is 140 degrees.
