2 years ago

HELP HELP HELP HELP FIND THE VALUE OF X

Mathematics

1 answer:

aalyn [17]2 years ago

8 0

Answer:

x=9

Step-by-step explanation:

The sum of all three angles inside a triangle is always 180 and the small square in the bottom left corner means that that is a 90 degree angle.

90+5x+5x=180

add the x values together

90+10x=180

subtract 90 from both sides

10x=90

divide both sides by 10

x=9

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