Checkpoint Flashcard G.TR.4ag

Front

What is the Pythagorean Theorem?

Back

Front

Define a right triangle.

Back

A right triangle is a triangle that has one angle measuring 90 degrees.

Front

What is the formula for the area of a triangle?

Back

Front

What does it mean for triangles to be congruent?

Back

Triangles are congruent if they have the same size and shape, meaning their corresponding sides and angles are equal.

Front

What is the difference between similar and congruent triangles?

Back

Similar triangles have the same shape but not necessarily the same size; their corresponding angles are equal, and their sides are in proportion. Congruent triangles are identical in size and shape.

Front

What is the significance of the hypotenuse in a right triangle?

Back

The hypotenuse is the longest side of a right triangle, opposite the right angle, and is crucial for applying the Pythagorean Theorem.

Front

How do you determine if a triangle is a right triangle using side lengths?

Back

Front

What is the relationship between the angles in a triangle?

Back

The sum of the interior angles in any triangle is always 180 degrees.

Front

What is a scalene triangle?

Back

A scalene triangle is a triangle in which all three sides have different lengths and all three angles have different measures.

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length and the angles opposite those sides are equal.