Understanding Isosceles Right Triangles and Trigonometric Ratios

What is the sum of the interior angles in any triangle?

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

In an isosceles right triangle, if each leg is 1 unit, what is the length of the hypotenuse?

• Square root of 3 units

• Square root of 2 units

• 2 units

• 1 unit

What is the sine of a 45-degree angle in an isosceles right triangle?

• 1/2

• 1

• Square root of 2

• Square root of 2 over 2

How do you calculate the cosine of a 45-degree angle in an isosceles right triangle?

• Opposite over hypotenuse

• Hypotenuse over adjacent

• Adjacent over hypotenuse

• Adjacent over opposite

What is the tangent of a 45-degree angle in an isosceles right triangle?

• 2

• Square root of 2

• 1

• 0