Paralleograms
Triangles
Finding Surface Area
Polyhedra
Vocabulary
100
True or false, all my sides are parallel
False
100
Who do you have to divide my area (base x height) by two?
Because I'm half a parallelogram
100
What is the formula of finding surface area?
A= l x w
100
What is this polyhedron with 6 square faces?
A cube.
100
I am a closed, two dimensional shape with straight sides that do not cross each other.
Polygon
200
Opposite sides are the __________ length
Same
200
My base is 6ft and my height is 4ft. What is my area?
12 square ft
200
True or false, surface area is measure in cubic units.
False. It's measured in square units.
200
True or false, a basketball is a polyhedron.
False. It's curved.
200
Each flat side or a polyhedron is called a .....
Face.
300
My base is 10in. My height is 3in. What is my area?
30 square in.
300
What is the area to each of the three triangles below?
10 square units
300
A three dimensional shape flattened out is called what?
A Net.
300
I am a polyhedron with a square base and three triangular faces that meet at a single vertex. What am I?
A pyramid.
300
To break something apart into smaller shapes.
Decompose.
400
If you draw a diagonal line to opposite corners, you can make two _________________ triangles
Identical
400
Is a triangle a polygon? Why?
Yes. It's closed, it is 2-dimensional, it has three angles.
400
A face has a length of 11cm and a width of 3cm. What is the surface area?
33 square cm.
400
What is this polyhedron?
A cylinder but not a polyhedron.
400
4 to the power of 2 and also be called....
4 squared
500
My height makes a _________ ________________ (2 words) with my base
Right angle
500
A triangle with a ninety degree angle is known as.....
A right triangle
500
If you have a cube, how many faces does it have? What do you do with the surface areas of each face?
6. Add them.
500
What are three significant components of every polyhedron?
Faces, edges, and vertices.
500
Define volume
It has mass and takes up space.
l x w x h