Practice Flashcards: SAT Math — right triangles: the theorem and the three ratios | Zestly

Question 1

Pythagorean theorem formula

Accepted Answer

$a^2 + b^2 = c^2$, where $c$ is the hypotenuse.

Question 2

Identifying the hypotenuse

Accepted Answer

The hypotenuse is the side opposite the right angle and is always the longest side.

Question 3

When to subtract in Pythagorean theorem

Accepted Answer

Subtract when finding a leg: $a^2 = c^2 - b^2$.

Question 4

Sine ratio definition

Question 5

Cosine ratio definition

Question 6

Tangent ratio definition

Question 7

How to choose a ratio

Question 8

45-45-90 triangle side ratios

Question 9

30-60-90 triangle side ratios

Question 10

Adjacent side definition

Question 11

Opposite side definition