Trigonometry Techniques for Triangles

What is the hypotenuse in a right triangle?

• The hypotenuse is the longest side of a right triangle.

• The hypotenuse is the sum of the other two sides in a right triangle.

• The hypotenuse is the shortest side of a right triangle.

• The hypotenuse is the side opposite the right angle in any triangle.

How do you identify a right triangle?

• A triangle with all angles measuring less than 90 degrees.

• A triangle with one angle measuring 90 degrees.

• A triangle with two equal sides.

• A triangle with one angle measuring 180 degrees.

Tags

CCSS.4.G.A.2

What is the sine ratio in a right triangle?

• sine = adjacent / hypotenuse

• sine = opposite / adjacent

• sine = hypotenuse / adjacent

• sine = opposite / hypotenuse

Tags

CCSS.HSG.SRT.C.6

What is the cosine rule used for in non-right triangles?

• To calculate the area of non-right triangles.

• The cosine rule is used to find unknown sides or angles in non-right triangles.

• To determine the perimeter of any triangle.

• To find the height of a triangle.

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

How do you determine if a triangle is non-right?

• A triangle is non-right if it has at least one angle greater than 90 degrees.

• A triangle is non-right if the sum of its angles is less than 180 degrees.

• A triangle is non-right if none of its angles are 90 degrees.

• A triangle is non-right if it has all sides of equal length.

Tags

CCSS.4.G.A.2

What is the Pythagorean theorem?

• In a right triangle, a + b = c.

• In any triangle, a² + b² = c².

• In a right triangle, a² + b² = c².

• In a right triangle, a² - b² = c².

Tags

CCSS.8.G.B.8

What are the properties of a right triangle?

• A right triangle has one 90-degree angle, a hypotenuse, and follows the Pythagorean theorem.

• A right triangle is always an equilateral triangle.

• A right triangle has no angles.

• A right triangle has three equal sides.

Tags

CCSS.4.G.A.2

Choose the appropriate technique to solve this problem

• Pythagoras Theorem

• Trigonometry Ratio

• Sine Rule

• Cosine Rule

Tags

CCSS.8.G.B.8

Choose the correct technique to find the missing angle (theta = θ)

• Pythagoras Theorem

• Trigonometry Ratio

• Sine Rule

• Cosine Rule

Tags

CCSS.HSG.SRT.D.10

CCSS.HSG.SRT.D.11

What is the total angle of a triangle?

• 90˚

• 180˚

• 270˚

• 360˚

Tags

CCSS.8.G.A.5