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What is the value of x?

What is the value of x?-example-1
User Andbdrew
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2 Answers

4 votes

Answer:

sum of angles in a triangle is 180

so 55+80+x=180

135+x=189

x=180-135

x=45

User Borino
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12 votes
all 3 angles of a triangle add up too 180, so 80+55= 135, 180-135 is 45, so the value of x is 45
User Eumenedies
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