Math Formulas to Know for exam

0.0(0)
linked notesView linked note
learnLearn
examPractice Test
spaced repetitionSpaced Repetition
heart puzzleMatch
flashcardsFlashcards
Card Sorting

1/8

flashcard set

Earn XP

Description and Tags

Geometry & Trigonometry

Study Analytics
Name
Mastery
Learn
Test
Matching
Spaced

No study sessions yet.

9 Terms

1
New cards

length of an arc

angle/360 (pie*r2)

2
New cards

Distance Formula

d=āˆš(x2 - x1)2 + (y2 - y1)2.

3
New cards

Midpoint Formula

m=(x1+x2)/2, (y1+y2)/2.

4
New cards

Trig Ratios

SOHCAHTOA

5
New cards

Geometric Mean

āˆša*b.

6
New cards

Pythagorean Theorem

a^2 + b^2 = c^2.

7
New cards

Arc/Angle Rules

center angle is the same, on the circle angle is half, outside angle is the saverage, inside angle is the average.

8
New cards

Point Slope Form and Slope Formula

Point Slope Form: y-y1 = m(x-x1)

Slope Formula: y = mx + b

9
New cards

Law of Sines Ratio

sināˆ a/a = sināˆ b/b = sināˆ c/c.