Trigonometry

Which description best matches the term "angle measure"?

• a number used only for multiplication
• the size of an angle written in degrees
• the answer after adding all side lengths
• the longest side of every triangle

Which description best matches the term "degree symbol"?

• a number used only for multiplication
• the small ° mark used after an angle measure
• the answer after adding all side lengths
• the longest side of every triangle

Which description best matches the term "triangle"?

• the longest side of every triangle
• a number used only for multiplication
• a polygon with 3 sides
• the answer after adding all side lengths

Which description best matches the term "right triangle"?

• the answer after adding all side lengths
• a number used only for multiplication
• the longest side of every triangle
• a triangle that has one 90° angle

Which description best matches the term "angle arms"?

• the two rays that form an angle
• the answer after adding all side lengths
• a number used only for multiplication
• the longest side of every triangle

Which description best matches the term "vertex"?

• a number used only for multiplication
• the answer after adding all side lengths
• the longest side of every triangle
• the corner point where two rays meet

Which description best matches the term "ray"?

• a number used only for multiplication
• the answer after adding all side lengths
• the longest side of every triangle
• a straight path that starts at one point and goes on in one direction

An angle measures 180°. How does it compare with a right angle?

• less than zero degrees
• not measurable with a protractor
• equal to a straight angle
• always a full turn

An angle measures 175°. How does it compare with a right angle?

• always a full turn
• less than zero degrees
• greater than a right angle
• not measurable with a protractor

An angle measures 160°. How does it compare with a right angle?

• less than zero degrees
• not measurable with a protractor
• greater than a right angle
• always a full turn

An angle measures 155°. How does it compare with a right angle?

• greater than a right angle
• always a full turn
• less than zero degrees
• not measurable with a protractor

An angle measures 140°. How does it compare with a right angle?

• not measurable with a protractor
• less than zero degrees
• greater than a right angle
• always a full turn

An angle measures 135°. How does it compare with a right angle?

• not measurable with a protractor
• greater than a right angle
• always a full turn
• less than zero degrees

An angle measures 130°. How does it compare with a right angle?

• always a full turn
• not measurable with a protractor
• less than zero degrees
• greater than a right angle

An angle measures 125°. How does it compare with a right angle?

• always a full turn
• greater than a right angle
• not measurable with a protractor
• less than zero degrees

An angle measures 120°. How does it compare with a right angle?

• greater than a right angle
• not measurable with a protractor
• always a full turn
• less than zero degrees

An angle measures 115°. How does it compare with a right angle?

• always a full turn
• less than zero degrees
• not measurable with a protractor
• greater than a right angle

An angle measures 110°. How does it compare with a right angle?

• not measurable with a protractor
• less than zero degrees
• always a full turn
• greater than a right angle

An angle measures 105°. How does it compare with a right angle?

• less than zero degrees
• greater than a right angle
• always a full turn
• not measurable with a protractor

An angle measures 100°. How does it compare with a right angle?

• less than zero degrees
• greater than a right angle
• not measurable with a protractor
• always a full turn