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What is the value of x?

What is the value of x?-example-1
User Mossi
by
3.9k points

2 Answers

7 votes

Answer:

A

Explanation:

If you input 20 for x & add it up you will get 60 degrees for both angles.

This is correct because vertical angles are always congruent

User DanubePM
by
4.2k points
5 votes

Answer:

x = 20

Explanation:

The angles are vertical angles which means they are equal

x+40 = 3x

Subtract x from each side

x+40-x = 3x-x

40 = 2x

Divide by 2

40/2 = 2x/2

20 =x

User Enno Shioji
by
4.0k points