Area & Volume
The formula for the volume of a rectanglar prism is____________?
length times width times hight.
In the word triangle, the prefix tri means what?
What's a composite figure?
Two or more 3-D shapes that are conected into one figure.
What is the formula for the area of a triangle?
LW/2
(Length times width devided by 2)
What is the difference between parellel and perpendicular lines?
Parellel lines will never cross, while perpindicular lines cross with four right angles.
If you make a rectangle with the length of 42 inches and the width of 4 inches, what is the area?
168 inches squared.
A triangle with two congruent sides is an?
Isosceles triangle
PI DAY CHALENGE!(no multiplier, just fun): What shape is a pie?
Cylinder
What is the formula for the area of a parallelogram?
L times W
(length times width)
Name the three types of angles.
Obtuse, Acute, and Right.
PI DAY CHALENGE! TRIPLE POINTS:When does Pi come in handy with geometry?
When finding the area or curcumfrince of a circle.
An equalateral triangle has angles of __, __, and __.
60-60-60
A 3-D shape with 6 faces and 8 vertexes, with at least 3 rectanglar faces, in called a what?
A prism.
PI DAY CHALENGE! Decuple(x10) POINTS: what is the area(A) of a circle, if the radius(R) is 5cm? (Remember, the formula of the area of a circle is A=πR to the power of 2. Asume pi is 3.14)
246.49 cm squared
All (known) shapes are made out of what?
A) Line segments
B) Lines
C) Rays
D) Why sould I care?
A
(If you put D, I pity you)
Bonus! QUADRUPLE POINTS: what is the volume of a triangle with the length of 197 and the width of 785?
Trick question, volume is only for 3-D shapes, not 2-D shapes like a trinagle.
The sum of all the angles adds up to_____?
180 degrees.
If the volume of a rectanglar prism is 144 cm cubed, and the length is 12, what is the four possible lengths and widths?
3 by 4, 4 by 3, 2 by 6, and 6 by 2.
Following the formula for volume, if the volume of a shape is 336 cm cubed, and the length is 8 cm, and the hight is 6 cm, what's the width?
7
________ goes endlessly in no directions.
A) Peperoni Pizza
B) a ray
C) a line segment
D) a line
C
(if you put a, you have a pizza problom)
If a Trianglar prism has the length of 5cm, the hight of 5cm, and the width of 5cm, that is the volume in cubic cm.
62.5 square cm
The formula for the area of a triangle is _______?
(Length times width)/2
Bonus! Double points: What do you call a 3-D shape with 12 faces?
dodecahedron
PI DAY CHALENGE! Double points: What's the formula for the circumference of a circle?
Rπ2=C
Bonus! Double points: define a ray, a line, a line segment, and an angle.
A ray starts at a point, and goes in one direction forever. A line goes in two, oposite, directions endlessly. A line segment starts and ends at two different points. An angle is where two rays, lines, or line segments meet.