10.
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
Apply these rules to solve:
• Angles on a straight line add up to 180 degrees.
• Angles in a triangle add up to 180 degrees.
• Opposite angles in a parallelogram are equal.
• Angles in a quadrilateral add up to 360 degrees.
Answer:
Step-by-step explanation:
Since there are missing data, let's discuss some facts about regular polygons and their angles.
1) The sum of its Interior angles is given by:
2) Since it is a regular pentagon, each interior angle is congruent:
Each interior angle:
3) If we trace an outside line, the external angle will be supplemental, i.e.
4) If we trace from each diagonal one line segment, in a regular pentagon that will form 3 triangles with one-third of 108º,i.e.,36º
As we can see, the in the picture below
