Triangle Review

Front

What is a triangle?

Back

A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry.

Front

What are the types of triangles based on angles?

Back

1. Acute Triangle: All angles are less than 90 degrees. 2. Right Triangle: One angle is exactly 90 degrees. 3. Obtuse Triangle: One angle is greater than 90 degrees.

Front

What are the types of triangles based on sides?

Back

1. Equilateral Triangle: All sides are equal. 2. Isosceles Triangle: Two sides are equal. 3. Scalene Triangle: All sides are different.

Front

What is the sum of the interior angles of a triangle?

Back

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

Front

How do you classify a triangle that has one angle greater than 90 degrees?

Back

It is classified as an Obtuse Triangle.

Front

What is an Equilateral Triangle?

Back

An Equilateral Triangle is a triangle in which all three sides are equal in length and all three angles are equal, each measuring 60 degrees.

Front

What is a Right Triangle?

Back

A Right Triangle is a triangle that has one angle measuring exactly 90 degrees.

Front

What is a Scalene Triangle?

Back

A Scalene Triangle is a triangle in which all three sides are of different lengths and all three angles are of different measures.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse (c) is equal to the sum of the squares of the lengths of the other two sides (a and b): c² = a² + b².

Front

What is the formula for the area of a triangle?

Back

The area (A) of a triangle can be calculated using the formula: A = 1/2 * base * height.