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MatroZZZ [7]
2 years ago
15

Find the value of x then classify the triangle by its angles

Mathematics
2 answers:
Reptile [31]2 years ago
8 0

Step-by-step explanation:

3x+X+60=180

4x=180-60

X=120/4

X=30

SOLVED

Neporo4naja [7]2 years ago
6 0

Answer:

Step-by-step explanation:

3x + x + 60 = 180.

first, we add the x's together.

4x + 60 = 180

then we see if they all have a common multiple. in this case, they do. they are all divisible by 4, so we can use that.

x + 15 = 45

then, just subtract 15 from both sides, that way we get the variable by itself.

x = 30

also, it is a right triangle. the top angle (3x) multiplied by 3 is 90. any triangle that has a 90 degree angle is automatically a right triangle.

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