Geometry Semester 1

Front

What is an Acute Triangle?

Back

A triangle with all three angles measuring less than 90 degrees.

Front

What does ASA stand for in triangle congruence?

Back

Angle-Side-Angle, a criterion for triangle congruence.

Front

What is a transformation in geometry?

Back

A change in the position, size, or shape of a figure.

Front

What is the difference between a line and a line segment?

Back

A line extends infinitely in both directions, while a line segment has two endpoints.

Front

What is a ray in geometry?

Back

A part of a line that starts at a point and extends infinitely in one direction.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

What is the Pythagorean theorem?

Back

In a right triangle, a² + b² = c², where c is the hypotenuse.

Front

What is a right triangle?

Back

A triangle that has one angle measuring 90 degrees.

Front

What is the definition of congruent triangles?

Back

Triangles that are identical in shape and size.

Front

What is a transformation that flips a figure over a line?

Back

Reflection.