Show:
Prisms
Pyramids
Net
Formulas
Total
100
What is the prism?
It is formed by polygons that enclose a region of space. Prism is a polyhedron with two parallel congruent bases.
100
What is in Egypt that is also a figure used in geometry?
Egyptian PYRAMIDS
100
Which solid doesn't have a net?
Sphere
100
What is the formula for prisms (lateral and total)?
Lateral: S=Ph ; Total: S=Ph+2B
100
Give an example of cylinder.
Candle, drinking straw, pipe, roller...
200
What are two other names for a cube?
Hexahedron and Right rectangular prism
200
What is a pyramid?
Pyramid only has 1 base, triangular latural faces meet at the vertex.
200
What shapes make up the octagonal pyramid?
1 octagon ; 8 triangles
200
What formula is this? V+F=E+2 (V : the number of vertices) (F : the number of faces) (E : the number of edges)
Euler Formula
200
What is a solid with one circular base and one vertex?
Cone
300
A right hexagonal prism has ____ vertices. It has a total of ____ faces: ____ bases are congruent ____, and ____ faces are rectangle.
A right hexagonal prism has 12 vertices. It has a total of 8 faces: 2 bases are congruent hexagon, and 6 faces are rectangle.
300
An pentagonal pyramid has ____ vertices and ____ faces. The base is a ____, and the other ____ faces are ____.
An pentagonal pyramid has 6 vertices and 6 faces. The base is a pentagon, and the other 5 faces are triangles.
300
Are there 4 ways to make up the cube?
No
300
What is the formula of sphere? (volume)
V=(4/3)πr^3
300
What is the name of half of a sphere and the base of it?
Hemisphere and Great Circle.
400
The height of the diagonal of a face of the cube is 7 cm. Find the volume.
121.29 centimeter cube
400
A student wants to make the pyramid model which looks like the Egyptian Pyramid. The slant height of the pyramid is 10 inches and the perimeter is 20 inches. Find the total surface area of the pyramid model.
125 inches square
400
How does the net of pentagonal pyramid looks like?
Star
400
What is the formula of cone (lateral and total)?
Lateral: S=πrl ; Total: S=πrl+πr^2
400
What are similarities between prisms and pyramids?
They are 3D. They both have polygon faces, bases, vertices, and edges.
500
The lateral area of a briefcase is 128 centimeter square. The deep is (1/3) times its wide and (1/4) times its long. Find the volume.
96 centimeter cube
500
Find the volume. (P=32)
512
500
Find the area.
653.4
500
Find the volume of a sphere if its surface area is 398 centimeter square.
746.62 centimeter cube
500
The dimensions of the box are 4 cm, 6 cm ,10 cm. Put a ball as big as possible into the box. How much the space that the ball didn't make up?
206.5 centimeter cube