For question 8, use conjectures to calculate the measure of each lettered angle. 6. c =7. g-1 ®h =d = 1 08. j=?k =?117(13038108789. Developing Proof What's wrong 10. Developing Proof What's 11. Three regular polygons meetwith this picture?Wrong with this picture?at point.1. How many sidesdoes the largest polygon have?821021541354912. Developing Proof Trace thefigure at right. Calculate eachlettered angle measure. Explainhow you determined themeasures of angles d, e, and f.36160°10611613. How many sides does apolygon have if the sum of itsangle measures is 2700°?9814. How many sides does anequiangular polygon have ifeach interior angle measures156°? O116"138122

Answered: 8. j = 38

Math

Geometry

8. j = 38

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter9: Surfaces And Solids

Section9.4: Polyhedrons And Spheres

Problem 23E: The surface of a soccer ball is composed of 12 regular pentagons and 20 regular hexagons. With each...

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Question

For question 8, use conjectures to calculate the measure of each lettered angle.

6. c =
7. g-1 ®
h =
d = 1 0
8. j=?
k =?
117
(130
38
108
78
9. Developing Proof What's wrong 10. Developing Proof What's 11. Three regular polygons meet
with this picture?
Wrong with this picture?
at point.1. How many sides
does the largest polygon have?
82
102
154
135
49
12. Developing Proof Trace the
figure at right. Calculate each
lettered angle measure. Explain
how you determined the
measures of angles d, e, and f.
36
160°
106
116
13. How many sides does a
polygon have if the sum of its
angle measures is 2700°?
98
14. How many sides does an
equiangular polygon have if
each interior angle measures
156°? O
116"
138
122

Figure in plane geometry formed by two rays or lines that share a common endpoint, called the vertex. The angle is measured in degrees using a protractor. The different types of angles are acute, obtuse, right, straight, and reflex.

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