Answer:
900°
Step-by-step explanation:
The sum of interior angles of a polygon with sides is given by:
Sum =
Here, <u>the polygon has 7 sides</u>, so . Plugging this into the formula gives us:
Sum =
So the answer is the first choice, 900°.
One man is three times as old as another. Fifteen years ago the first was six times as old as the second. Find their ages now.
1 answer:
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