What is the formula for the area of a parallelogram?
A = bh
100
To discover a new formula from an already known formula.
What is derive?
100
What is the formula for the area of a triangle?
A = (1/2)*bh
100
True or False: Capital A represents the same thing as lowercase a.
False
100
What is the formula for the area of a circle?
A = PI*r^2
200
What is the formula for the area of a trapezoid?
A = (1/2)*(b1 + b2)h
200
The region between two concentric circles.
What is an annulus of a circle?
200
What is the formula for the area of a kite?
A = (1/2)*d1*d2
200
True or False: The altitude can be inside or outside the parallelogram. No matter where you draw the altitude to a base, its height should be the same, because the opposite sides are parallel.
True
200
What is the formula for a regular n-gon polygon?
A = (1/2)*nsa
300
What is the formula for the surface area of a rectangular prism?
SA = 2bw + 2bh + 2bl
300
Any segment from one side of a parallelogram that is perpendicular to a line through the opposite side.
What is the altitude?
300
What is the formula for the area of a sector?
A = (a/360)*PI*r^2
300
What shape can you create from a circle in order to derive the formula for the area of a circle?
A triangle or parallelogram
300
What is the formula for the surface area of a cylinder?
SA = 2*PI*r^2 + 2*PI*rh
400
What is the formula for the area of an annulus?
A = PI*R^2 - PI*r^2
400
A region between a chord and an arc of the circle.
What is a segment of a cirlce?
400
What is the formula for the area of a segment?
A = (a/360)*PI*r^2 - (1/2)bh
400
True or False: In order to find the surface area of an object, it is necessary to find the surface area of the base and each face then multiply the results.
False
400
What is the formula for the surface area of a pyramid in terms of the perimeter?
SA = (1/2)*P*(l + a)
500
What is the formula for the surface area of a cone?
SA = PI*r^2 + PI*rl = PI*r*(r + l)
500
What does the "a" represent in the area formula for a sector of a circle?