Triangle Concepts Quiz

What is the altitude in a triangle?

• A line segment from a vertex to the opposite side, perpendicular to it.

• The longest side of a right triangle.

• The distance between x-coordinates on a plane.

• A triangle with two congruent sides.

What is the horizontal distance on a plane also called?

• Rise

• Run

• Hypotenuse

• Altitude

Which side of a right triangle is the hypotenuse?

• The side opposite the right angle.

• The side adjacent to the right angle.

• The side forming the right angle.

• The side with two congruent angles.

What is an isosceles triangle?

• A triangle with all sides equal.

• A triangle with two congruent sides.

• A triangle with no equal sides.

• A triangle with a right angle.

What is the Pythagorean Theorem?

• The sum of the square of both legs in a right triangle equals the square of the hypotenuse.

• The sum of the angles in a triangle is 180 degrees.

• The product of the legs in a right triangle equals the hypotenuse.

• The difference between the legs in a right triangle equals the hypotenuse.

What does it mean for two angles to be complementary?

• Their measures add up to 90 degrees.

• Their measures add up to 180 degrees.

• Their measures are equal.

• Their measures add up to 360 degrees.

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

• The ratio of the length of the adjacent leg to the length of the hypotenuse.

• The ratio of the length of the opposite leg to the length of the hypotenuse.

• The ratio of the length of the opposite leg to the length of the adjacent leg.

• The ratio of the length of the hypotenuse to the length of the adjacent leg.

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

• The ratio of the length of the opposite leg to the length of the hypotenuse.

• The ratio of the length of the adjacent leg to the length of the hypotenuse.

• The ratio of the length of the opposite leg to the length of the adjacent leg.

• The ratio of the length of the hypotenuse to the length of the opposite leg.

What is the tangent of an acute angle in a right triangle?

• The ratio of the opposite leg to the adjacent leg

• The ratio of the adjacent leg to the hypotenuse

• The ratio of the hypotenuse to the opposite leg

• The ratio of the hypotenuse to the adjacent leg

What does the trigonometric ratio represent?

• A ratio between sides in a right triangle

• A ratio between angles in a right triangle

• A ratio between angles and sides in any triangle

• A ratio between angles in any triangle