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kumpel [21]
4 years ago
15

What type of triangle is shown?

Mathematics
2 answers:
Sunny_sXe [5.5K]4 years ago
8 0

Answer:

C

Step-by-step explanation:

4x-10+2x+15+x=180

7x+5=180

7x=175

x=25

So 2x+15=65 and 4x-10=90.

90+65+25=180

So your triangle is a right triangle.

svetoff [14.1K]4 years ago
5 0

Answer:

C

Step-by-step explanation:

A triangle is 180 degrees. This means all the sides added up will be 180 degrees, so what you need to do is turn it into an algebra problem.

x + 4x + 15 + 2x - 10 = 180

Simplify.

7x + 5 = 180

Subtract 5 from both sides.

7x = 175

Divide by 7.

x = 25

4(25) - 10 = 20

This is a right angle, which means that C is the correct answer.

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