7th grade Surface Area & Volume Flashcards
Formula for area of a triangle is….
base times height divided by 2
Formula for area of a circle is….
pi times radius squared
Formula for circumference of a circle is…
pi times diameter
Formula for area of a rectangle is….
length times width
Why is surface area labeled squared?
because it’s 2 dimensional or because it’s how many squared cover it
Why is volume labeled cubed?
because it’s 3 dimensional or because that’s how many cubes fit in it
What is the formula for volume of a rectangular prism?
length times width times height
What is the general volume formula?
Area of the base times the height
Another word for vertex is….
point
another word for edges is…
lines
another word for faces is…
flat sides
volume formula for a cylinder is….
pi times radius squared times the height of figure
volume formula for a triangular prism is…
base times height divided by 2, times the height of the figure
what are the vertical and horizontal cross sections of a square pyramid?
vertical-triangle, horizontal - square
What are the vertical and horizontal cross sections of a cylinder?
vertical-rectangle, horizontal-circle