Given the following figure, what is the measure of angle B?
1 answer:
Answer:
132°
Step-by-step explanation:
<u>Sum of the interior angles of a polygon</u> is given by the formula:
Where is the number of sides of the polygon.
<u>The figure shows a 5 sided polygon (aka Pentagon). So the sum of all the angles is:</u>
Sum =
<u>If we add up all the expressions/angles given and equate to 540, we can figure out . So:</u>
<em>But angle B measures , so plugging in
, we have:</em>
Angle B = °
Second answer is right.
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