Examples

1

15.2 Isosceles and Equilateral Triangles

15­2

Examples

2

15.2 Isosceles and Equilateral Triangles

Find the angle measure.

*To find the measure of the angle of the

triangle, first find the value of x using the

Triangle Sum Theorem.

Examples

3

15.2 Isosceles and Equilateral Triangles

Find the measure of the indicated angle

*To find the measure of the angle of the

triangle, first find the value of x using the

Triangle Sum Theorem.

Examples

4

15.2 Isosceles and Equilateral Triangles

Find the length of the indicated side.

*To find the length of each side of the triangle, first find

the value of x. Use the Converse of the Equilateral

Triangle Theorem:

Examples

5

15.2 Isosceles and Equilateral Triangles

Find the length of the indicated side.

*To find the length of each side of the triangle, first find

the value of x. Use the Converse of the Equilateral

Triangle Theorem:

Examples

6

15.2 Isosceles and Equilateral Triangles

Katie's tutorial service is going so well that she is having shirts made with

the equilateral triangle emblem. She has given the t-shirt company these

dimensions. What is the length of each side of the triangle in centimeters?

do common denominator

Examples

7

15.2 Isosceles and Equilateral Triangles

Find the length of the indicated side.

*To find the length of each side of the triangle, first find

the value of x. Use the Converse of the Equilateral

Triangle Theorem:

Examples

8

15.2 Isosceles and Equilateral Triangles

Find the length of the indicated side.

Examples

9

15.2 Isosceles and Equilateral Triangles

Is the triangle an acute, isosceles, obtuse, or right triangle?

Examples

10

15.2 Isosceles and Equilateral Triangles

Use the figure to answer the following.

Examples

11

15.2 Isosceles and Equilateral Triangles

Examples

12

15.2 Isosceles and Equilateral Triangles

What is the solution of

Examples

13

15.2 Isosceles and Equilateral Triangles