3.1-3.2 Topic Check

Front

What is the solution for x in the equation x + 2 = 5?

Back

x = 3

Front

Can the lengths 8, 10, and 20 be the sides of a triangle?

Back

No, because the sum of the lengths of any two sides must be greater than the length of the third side.

Front

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

Back

The longest side is opposite the largest angle, and the shortest side is opposite the smallest angle.

Front

What type of triangle has one right angle?

Back

Right Triangle.

Front

What type of triangle has two equal sides?

Back

Isosceles Triangle.

Front

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

Back

180 degrees.

Front

If one angle of a triangle is 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Front

What is the Pythagorean theorem?

Back

In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides.

Front

How do you find the measure of an unknown angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Front

What is the definition of a scalene triangle?

Back

A triangle with all sides of different lengths.