What is the relationship between the sides of a 45-45-90 triangle?

In a 45-45-90 triangle, the lengths of the legs are equal, and the length of the hypotenuse is $$\text{leg} \times \text{sqrt}(2)$$ .

How do you calculate the horizontal distance in a right triangle given the height and hypotenuse?

Use the Pythagorean Theorem: If the height (h) is known and the hypotenuse (c) is known, the horizontal distance (d) can be found using: $$d = \text{sqrt}(c^2 - h^2)$$ .

What is the formula for finding the area of a right triangle?

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

What is the definition of a right triangle?

A right triangle is a triangle that has one angle measuring 90 degrees.

What is the definition of the hypotenuse?

The hypotenuse is the longest side of a right triangle, opposite the right angle.

What is the definition of adjacent side in a right triangle?

The adjacent side is the side that forms one of the angles of the triangle, excluding the hypotenuse.

What is the definition of opposite side in a right triangle?

The opposite side is the side that is opposite to the angle being considered in the triangle.

How do you round a number to the nearest tenth?

To round a number to the nearest tenth, look at the hundredths place. If it is 5 or greater, round up the tenths place by one. If it is less than 5, keep the tenths place the same.

Pythagorean Theorem and Rt triangle trig Flashcards

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the Pythagorean Theorem?

Back

2.

FLASHCARD QUESTION

Front

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

Back

3.

FLASHCARD QUESTION

Front

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

Back

4.

FLASHCARD QUESTION

Front

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

Back

5.

FLASHCARD QUESTION

Front

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

Back

6.

FLASHCARD QUESTION

Front

If one side of a right triangle is 3 ft and the other is 4 ft, what is the length of the hypotenuse?

Back

7.

FLASHCARD QUESTION

Front

What is the relationship between the sides of a 30-60-90 triangle?

Back

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