Study your flashcards anywhere!

Download the official Cram app for free >

  • Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off

How to study your flashcards.

Right/Left arrow keys: Navigate between flashcards.right arrow keyleft arrow key

Up/Down arrow keys: Flip the card between the front and back.down keyup key

H key: Show hint (3rd side).h key

A key: Read text to speech.a key


Play button


Play button




Click to flip

10 Cards in this Set

  • Front
  • Back
What is the ratio between the shortleg, long leg, and hypotenuse of a 30-60-90 triangle?
short leg = x
long leg = 2x
hypotenuse = x square root 3
What is the formula for the area of a triangle?
What is a special ratio right triangle?
short leg = 3x
long leg = 4x
hyptenuse = 5x
(also, 5x:12x:13x)
What is the point-slope formula?
y-y1 = m(x-x1)
What is the relationship between the slopes of perpendicular lines?
a perpindicular line's slope is the negative reciprocal of the the other line
What is the volume of a cylindar?
What is the surface area of a rectangular solid?
2(lw + lh+ wh)
What is the volume of a rectangular solid?
What is the slope of a line formula?
What is the midpoint formula?
x1+x2/2, y1+y2/2