3 years ago

What’s the answer for this question

Mathematics

2 answers:

slavikrds [6]3 years ago

7 0

Answer:

J. 28.

Step-by-step explanation:

Since there are 180 degrees in a triangle the sum of the 2 unknown angles = 180 - 50 = 130, so we have the equation:

2x + 3x - 10 = 130

5x = 140

x = 28.

Masteriza [31]3 years ago

5 0

Answer:

x=28

Step-by-step explanation:

degrees of a triangle is always 180

2x+3x=5x

5x - 10 + 50

5x + 40

180 - 40 = 140

5x = 140

140/5 = 28

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