Geometry Basics

What geometric entity represents a specific location without any size or dimension?

A line segment extends infinitely in both directions.

What is the measure of a right angle in degrees?

________ angles add up to 180 degrees.

Match the following types of lines with their descriptions:

Which of the following angle measures could represent an obtuse angle?

All equilateral triangles are also isosceles triangles.

Name the type of triangle that has no equal sides.

The sum of the angles in a triangle is always ________ degrees.

What term describes points that lie on the same line?

A secant line touches a circle at only one point.

What is the name for a line segment that connects two points on a circle?

The distance from the center of a circle to any point on the circle is called the ________.

Which type of triangle has one angle greater than 90 degrees?

A reflex angle is less than 180 degrees.

What is the name of the tool used to measure angles?

Two angles are ________ if their measures add up to 90 degrees.

Which of the following represents the correct naming convention for an angle with vertex B and points A and C on its rays?

Points inside a circle are said to be in the exterior of the circle.

What is a "slice of pizza" shaped portion of a circle called?

A line that touches a circle at only one point is called a ________.

If two lines intersect and one of the angles formed is 30 degrees, what is the measure of the adjacent angle on the same line?

It is possible for a triangle to have one right angle and one obtuse angle.

Given a circle with a diameter of 10 cm, what is its radius?

In $\triangle ABC$, $\angle A = 50^\circ$ and $\angle B = 70^\circ$. What is the measure of $\angle C$?