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kari74 [83]
3 years ago
9

The exterior angles of a quadrilateral have measures of 80°, 65, 2x", and 3x . Find the value of x.

Mathematics
1 answer:
miskamm [114]3 years ago
6 0

Answer:

80°+65°+2x+3x=360°(sum of quadrilateral is 360)

145°+5x=360°

5x=360°-145°

5X=215°

X=215°/5°

X=43°

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