Classify Triangles Using the Distance Formula

Is the triangle with vertices (7, 6) and (3, -9) and (8, -9) equilateral, isosceles or scalene?

• equilateral

• isosceles

• scalene

Is the triangle with vertices (7, 3) and (-7, 11) and (5, 19) equilateral, isosceles or scalene?

• equilateral

• isosceles

• scalene

Is the triangle with vertices (1, 4) and (-16, 11) and (14, 17) equilateral, isosceles or scalene?

• equilateral

• isosceles

• scalene

Is the triangle with vertices (-5, -5) and (8, -19) and (-7, -24) equilateral, isosceles or scalene?

• equilateral

• isosceles

• scalene

Is the triangle with vertices (7, 1) and (1, 7) and (10, -1) equilateral, isosceles or scalene?

• equilateral

• isosceles

• scalene

Classify the following triangles by its sides using the given points of the triangle. (Hint: use the distance formula to find each side length)

• Equilateral

• Isosceles

• Scalene

Classify the following triangles by its sides using the given points of the triangle. (Hint: use the distance formula to find each side length)

• Equilateral

• Isosceles

• Scalene

Find the side lengths in order to classify this triangle.

• Equilateral

• Scalene

• Isosceles

Given the vertices of a triangle are at (-3,0), (0,3), (3,0), find the length of each side to classify this triangle.

• Isosceles

• Scalene

• Equilateral

Given that P(-4, -2), Q(-2, 2) and R(5, 1) are vertices of a triangle, calculate the length of each side to classify this triangle.

• Isosceles

• Scalene

• Equilateral