Find the sum of the interior angle measure of a regular polygon with 20 sides
1 answer:
You might be interested in
and surely you know how much that is.
From the problem we have
In △ABC, m∠A=52°, c=11, and m∠B=19°.
Draw the diagram with the help of given information, (see the attached image)
Now using Sine Law in the Triangle ABC, we can write
Now from Triangle ABC , we can write
Now simplify , we get
