Finding the missing angle of a Triangle (Beg.)

What is the sum of the angles in a triangle?

• 90 degrees

• 180 degrees

• 360 degrees

• 120 degrees

How do you find a missing angle in a triangle?

• Add the known angles together and multiply by 2.

• Subtract the sum of the known angles from 180 degrees.

• Divide the sum of the known angles by 2.

• Use the Pythagorean theorem to find the missing angle.

What are the three angles in a triangle called?

• Interior angles

• Exterior angles

• Acute angles

• Obtuse angles

What do we call a triangle with at least two equal sides?

• Equilateral triangle

• Scalene triangle

• Isosceles triangle

• Right triangle

If two angles in a triangle are 50 degrees and 60 degrees, what is the missing angle?

• 60 degrees

• 70 degrees

• 80 degrees

• 90 degrees

What is an acute angle?

• An angle that is exactly 90 degrees.

• An angle that is greater than 90 degrees.

• An angle that is less than 90 degrees.

• An angle that is equal to 180 degrees.

What is the term for the longest side of a right triangle?

• Hypotenuse

• Adjacent

• Opposite

• Base

What do we call a triangle with all sides of different lengths?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right triangle

What is a triangle?

• A three-sided polygon.

• A four-sided shape.

• A shape with no sides.

• A two-dimensional circle.

What is the relationship between the angles in a triangle?

• The angles in a triangle are related such that their sum is always 180 degrees.

• The angles in a triangle can sum up to 90 degrees.

• The angles in a triangle are always equal to 60 degrees.

• The angles in a triangle can sum up to 360 degrees.