215k views
2 votes
What is the value of m?
10
30
70
150

What is the value of m? 10 30 70 150-example-1

2 Answers

6 votes

m=10 i just submitted it and it was right

User Distra
by
8.2k points
3 votes
Angles on a straight line add up to 180°.
Therefore:

2m + 10 + 5 m + 100 = 180

7m + 110 = 180

7m = 180 - 110

7m = 70

7m ÷ 7 = 70 ÷ 7

m = 10
User Dileep Nandanam
by
8.0k points

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