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alukav5142 [94]
3 years ago
13

HELP PLZ! Solve for x. Enter your answer in the box. x = ___°

Mathematics
2 answers:
oee [108]3 years ago
7 0

Sum of interior angles of polygon = 180(n - 2) = 180(5-2) = 180(3) = 540

so

x + 121 + 108 + 102 + 100 = 540

x + 431 = 541

x = 540 - 431

x = 109

Answer

x = 109°

jenyasd209 [6]3 years ago
5 0

Interior Angle Sum = 180 (n - 2)  ; where n is number of sides

Sum = 180 (5 - 2)

       = 180 (3)

       = 540

100° + 102° + 108° + 121° + x = 540°

                               431° + x = 540°

                                         x = 109°



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