What is the sine of a 30-degree angle?

The sine of a 30-degree angle is $$\frac{1}{2}$$ .

What is the cosine of a 60-degree angle?

The cosine of a 60-degree angle is $$\frac{1}{2}$$ .

What is the tangent of a 45-degree angle?

The tangent of a 45-degree angle is $$1$$ .

How do you find the length of a leg in a 30-60-90 triangle if the hypotenuse is known?

If the hypotenuse is known, the shorter leg is half the hypotenuse, and the longer leg is the shorter leg times $$\text{sqrt}(3)$$ .

What is the formula for the area of a triangle?

The area of a triangle can be calculated using the formula: $$\text{Area} = \frac{1}{2} \times \text{base} \times \text{height}$$ .

What is the relationship between the angles in a right triangle?

The sum of the angles in a right triangle is always 180 degrees, with one angle being 90 degrees.

What is the definition of a special right triangle?

Special right triangles are triangles with specific angle measures (45-45-90 and 30-60-90) that have predictable side length ratios.

Geometric Mean, Special Right Triangles, And Trig Ratios(honors)

Geometric Mean, Special Right Triangles, and Trig Ratios(Honors)

Flashcard

•

Mathematics

•

9th - 12th Grade

•

Practice Problem

•

Hard

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FLASHCARD QUESTION

Front

What is the geometric mean of two numbers a and b?

Back

FLASHCARD QUESTION

Front

What are the side lengths of a 45-45-90 triangle in relation to its legs?

Back

FLASHCARD QUESTION

Front

What is the ratio for sine in SOH-CAH-TOA?

Back

FLASHCARD QUESTION

Front

What is the ratio for cosine in SOH-CAH-TOA?

Back

FLASHCARD QUESTION

Front

What is the ratio for tangent in SOH-CAH-TOA?

Back

FLASHCARD QUESTION

Front

How do you find the length of the hypotenuse in a right triangle?

Back

FLASHCARD QUESTION

Front

What is the relationship between the angles in a 30-60-90 triangle?

Back

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