6.1 Review Worksheet (continued)
10. Find the measure of each exterior angle of a regular nonagon.
11. A pentagon has exterior angle measures of 5 a°, 4 a °, 10 a °, 3 a °, and 8 a°. Find the value of a.
The folds on the lid of the gift box form a regular hexagon. Find each measure. 12. m ∠ JKM
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13. m ∠ MKL
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6.1.2 Properties of Parallelograms Cranes can be used to load cargo onto ships. In ▱ JKLM , JL = 165.8, JK = 110, and m ∠ JML = 50° . Find the measure of each part of the crane . 14. JN 15. LM
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16. LN
17. m ∠ JKL
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18. m ∠ KLM
19. m ∠ MJK
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