California Assessment of Student Performance and Progress (CAASPP) Math Practice Exam

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Prepare for the CAASPP Math Exam. Use quizzes, flashcards, and detailed explanations to boost your confidence and test readiness. Master the skills necessary to excel in your exam!

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In an isosceles triangle, what are the two congruent sides called?

Base
Legs
Height
Hypotenuse

The correct answer is: Legs

In an isosceles triangle, the two congruent sides are referred to as the legs. This terminology is widely used in geometry to describe the sides that are of equal length in this type of triangle. In addition to the legs, the third side, which is not congruent to the others, is called the base. The legs play a crucial role in defining the properties of isosceles triangles, such as their angles and symmetry. The height of the triangle, which is a perpendicular line segment from the base to the opposite vertex, is a separate consideration and does not refer to the sides of the triangle. Similarly, the term hypotenuse pertains specifically to right triangles, where it denotes the longest side opposite the right angle. Thus, the legs are integral to understanding the structure and characteristics of isosceles triangles.