Triangles Flashcard

Front

What is the formula for calculating the perimeter of a triangle?

Back

The perimeter of a triangle is the sum of the lengths of its three sides: P = a + b + c.

Front

What is a midsegment in a triangle?

Back

A midsegment is a line segment that connects the midpoints of two sides of a triangle.

Front

What are the angle sum properties of a triangle?

Back

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

Front

What type of triangle has all sides of equal length?

Back

An equilateral triangle.

Front

What is a right triangle?

Back

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

Front

What is an isosceles triangle?

Back

An isosceles triangle has at least two sides of equal length.

Front

What is a scalene triangle?

Back

A scalene triangle has all sides of different lengths.

Front

How do you determine if a set of angles can form a triangle?

Back

The sum of the angles must equal 180°.

Front

What is the relationship between the sides and angles in a triangle?

Back

In a triangle, the larger the angle, the longer the opposite side.

Front

What is the Pythagorean theorem?

Back

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