Unit 7 - Shapes Flashcards
What is how perimeter?
The space around a shape.
What is the rule for a prism?
That when we cut it, it has the same shape all the way though.
What is the area of a sphere?
4 x pi x r2
What is the area of a cone?
1/3 x pi x r2 x height
What is a compound shape?
When two shapes have been put overhear to make a larger shape.
What is the surface area of a sphere?
4 x pi x r2
What is a hectare?
100’m by 100m
What is a bound?
The lowest and highest value a decimal can be to be rounded that way.
What is the volume of a prism?
Area of cross section x length.
What is the capacity?
How much liquid can by put in a 3D shape.
What is the circumference?
The perimeter of a circle.
What is the equation for a circumference?
Pi x diameter
What is he equation for a sector?
X divided by 360 x area of the whole circle.
What is the equation for an arc?
X divided by 360 x length of whole circumference.
What is the equation for he volume of a cylinder?
Pi x r2 x radius x height divided by 2 x radius2
What is the equation for a frustum?
Volume of cone take away the volume of the removed cone.
What is the plan view?
The view from ABOVE.
What is he front elevation?
The view from the FRONT.
What is the side elevation?
The view from the SIDE.
What is the volume of a pyramid?
1/3 area of base x vertical height.
What is the volume of a cone?
1/3 x pi x radius2 x vertical hight.
