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olga55 [171]
2 years ago
15

Triangle ABC has vertices at A(2 , 2), B(4, 7), and C(6, 2). Classify the triangle according to the side lengths. A) equilateral

B) isosceles C) right D) scalene
Mathematics
2 answers:
slavikrds [6]2 years ago
6 0

Answer:

The answer is B and Isosceles Triangle.

Step-by-step explanation:

Serhud [2]2 years ago
6 0

Answer:

ABC is an isosceles triangle.

Step-by-step explanation:

Given,

The triangle ABC has vertices at A(2 , 2), B(4, 7), and C(6, 2).

By the distance formula,

AB=\sqrt{(4-2)^2+(7-2)^2}

=\sqrt{2^2+5^2}

=\sqrt{4+25}

=\sqrt{29}\text{ units}

BC=\sqrt{(6-4)^2+(2-7)^2}

=\sqrt{2^2+(-5)^2}

=\sqrt{4+25}=\sqrt{29}\text{ units}

CA=\sqrt{(2-6)^2+(2-2)^2}

=\sqrt{(-4)^2}=\sqrt{16}=4\text{ units}

Since, AB = BC ≠ CA

⇒ ABC is not an equilateral triangle,

AB = BC ⇒ ABC is an isosceles triangle.

⇒ ABC is not a scalene triangle.

AB² + BC² ≠ CA² or AB² + CA² ≠ BC²  or CA² + BC² ≠ AB²

⇒ ABC is not a right triangle,

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