Unit 5 Pre-Assessment

What is the Pythagorean theorem?

• The Pythagorean theorem is a formula for finding the area of a circle.

• The Pythagorean theorem is used to calculate the perimeter of a square.

• The Pythagorean theorem is a concept in geometry that deals with angles and lines.

• The Pythagorean theorem is a mathematical principle that relates the lengths of the sides of a right-angled triangle.

Which side of a right triangle is the hypotenuse?

• The side opposite the obtuse angle

• The side opposite the right angle

• The side opposite the acute angle

• The side adjacent to the right angle

What is the formula to find the length of the hypotenuse in a right triangle?

• Euclidean theorem

• Trigonometric theorem

• Law of Sines

• Pythagorean theorem

What is the formula to find the length of one of the legs in a right triangle?

• Pythagorean theorem

• Law of Cosines

• Law of Sines

• Hypotenuse theorem

What is the sum of the angles in a triangle?

• 360

• 180

• 90

• 270

What is the name of a triangle that has all sides of equal length?

• right triangle

• equilateral triangle

• scalene triangle

• isosceles triangle

What is the name of a triangle that has two sides of equal length?

• equilateral triangle

• scalene triangle

• right triangle

• isosceles triangle

What is the name of a triangle that has no sides of equal length?

• isosceles triangle

• scalene triangle

• equilateral triangle

• right triangle

What is the sine of an angle in a right triangle?

• Adjacent/Hypotenuse

• Opposite/Adjacent

• Hypotenuse/Adjacent

• Opposite/Hypotenuse

What is the cosine of an angle in a right triangle?

• Opposite/Hypotenuse

• Adjacent/Hypotenuse

• Opposite/Adjacent

• Hypotenuse/Opposite