3 years ago

Help me please, and thank u

Mathematics

1 answer:

Yuki888 [10]3 years ago

4 0

Answer:

Step-by-step explanation:

Check the attached diagram... since they are parallel lines, those angles should be equal. now as per the theorem of opposite angles, (3x + 10)° should be equal to 70° .

(3x + 10)° = 70°

3x = 60°

x = 20

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