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Blababa [14]
3 years ago
8

Find the value of x and find the value of polygon JKLM​

Mathematics
1 answer:
Leokris [45]3 years ago
7 0

Answer:

  1.  (B)  73

  2. r = 15

Step-by-step explanation:

1. The sum of angles in a triangle is 180°.

  62° +45° +k° = 180

  k = 180 -107

  k = 73

__

2. The sum of exterior angles of any polygon is 360°.

  4r° +7r° +5r° +8r° = 360°

  24r = 360 . . . . . . . . . . . . . collect terms, divide by °

  r = 360/24 . . . . . divide by 24

  r = 15

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