3 years ago

This is geometry pls help

Mathematics

2 answers:

Sonja [21]3 years ago

5 0

Answer:

Step-by-step explanation:

Consecutive angles are supplementary, thus

30 + 5x + 15 + 10x = 180 , that is

15x + 45 = 180 ( subtract 45 from both sides )

15x = 135 ( divide both sides by 15 )

x = 9 → B

Troyanec [42]3 years ago

4 0

Answer:

the answer for this is B 9

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