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3 years ago

Help I'm stuck on this question please help!

Mathematics

2 answers:

elena55 [62]3 years ago

7 0

Answer:

A=20 degrees

Step-by-step explanation:

All of the interior angles of a triangle must add up to 180 degrees, so:

2x+5x+11x=180

18x=180

x=10

A=2(10)=20

Hope this helps!

zheka24 [161]3 years ago

4 0

Answer:

Angle A = 20 degrees

Step-by-step explanation:

The sum of the angles of a triangle is 180

A+ B+ C = 180

2x+5x+11x = 180

Combine like terms

18x = 180

Divide by 18

18x/18 = 180/18

x = 10

Angle A = 2x = 2*10 = 20

Angle B = 5x = 5*10 = 50

Angle C = 11x = 11*10 =110

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Step-by-step explanation:

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