SAT Math - Isosceles Triangles

1

The base angle of an isosceles triangle is 15 less than three times the vertex angle. What is the vertex angle?

2

The base angle of an isosceles triangle is 15 less than three times the vertex angle. What is the vertex angle?

3

What is the area of a square that has a diagonal whose endpoints in the coordinate plane are located at (-8, 6) and (2, -4)?

4

The length of the diagonal of a given square is $4\sqrt{2}$ . What is the square's area?

5

The length of the diagonal of a given square is $4\sqrt{2}$ . What is the square's area?

6

What is the area of a square that has a diagonal whose endpoints in the coordinate plane are located at (-8, 6) and (2, -4)?

7

A triangle has the following side lengths:

$13,\ 13, \textup{ and } 18$

Which of the following correctly describes the triangle?

8

The length of the diagonal of a given square is $4\sqrt{2}$ . What is the square's area?

9

What is the area of a square that has a diagonal whose endpoints in the coordinate plane are located at (-8, 6) and (2, -4)?

10

A triangle has the following side lengths:

$13,\ 13, \textup{ and } 18$

Which of the following correctly describes the triangle?

Isosceles Triangles