Solve for the indicated arc or angle in the diagram and match it to the correct solution at the bottom of the page.
1 answer:
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Given a regular 20-gon ( a 20 sided polygon )
The measure of each interior angle will be given by:
where n is the number of sides
Substitute with n = 20
So, the measure of each interior angle =
The sum of exterior angles = 360
So, the measure of each exterior angle = 360/20 = 18
Answer: <RPS = 161
Step-by-step explanation:
P is the common vertex in all of these angles. From this we know that these have to be adjacent angles (<QPR and <QPS) that equal the whole angle (<RPS)
<QPR+<QPS= <RPS
71+90= 161
(<QPS is a right angle. Right angles are equal to 90 degrees.)
