# How would you show that a triangle with vertices (13,-2), (9,-8), (5,-2) is isosceles?

If we label them A(13,-2) B(9-8) and C(5-2)

By signing up, you agree to our Terms of Service and Privacy Policy

see below

An isosceles triangle is one with two equal lengths.

To find the lengths of the sides with coordinates

from the information given

since we have two equal sides the triangle with the given vertices is isosceles

By signing up, you agree to our Terms of Service and Privacy Policy

Below

One way of proving that it is an isosceles triangle is by calculating the length of each side since two sides of equal lengths means that it is an isosceles triangle.

By signing up, you agree to our Terms of Service and Privacy Policy

To show that the triangle with vertices (13,-2), (9,-8), (5,-2) is isosceles, we can calculate the distances between the vertices using the distance formula. If two of the distances are equal, then the triangle is isosceles.

Let's denote the vertices as follows: A(13,-2), B(9,-8), and C(5,-2).

Then, we calculate the lengths of the sides:

AB = √[(13 - 9)² + (-2 - (-8))²] = √[16 + 36] = √52 BC = √[(9 - 5)² + (-8 - (-2))²] = √[16 + 36] = √52 AC = √[(13 - 5)² + (-2 - (-2))²] = √[64] = 8

Since AB = BC, the triangle is isosceles.

By signing up, you agree to our Terms of Service and Privacy Policy

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

- Two supplementary angles are in the ratio of 7 to 2. What is the measurement of degrees in the smaller angle?
- The ratio of the measures of two supplementary angles is 5:3. What are the measures of the angles?
- If the individual measure of an angle in a regular polygon is #156°# how many sides does the polygon have?
- Calculate the measure of each exterior angle of a 90 sided regular polygon? Explain.
- If five angles of a heptagon have measures of #80^circ, 85^circ, 175^circ, 90^circ, 140^circ#, and if the other two angles are congruent, what is the measure of each of the other two angles?

- 98% accuracy study help
- Covers math, physics, chemistry, biology, and more
- Step-by-step, in-depth guides
- Readily available 24/7