Vocab
What is a ray?
is part of a line consisting of a point on the line, called the endpoint of the ray.
What is the formula for perimeter of a rectangle?
2l +2w
What does this rule belong to?
(x,y)-(x,-y) = x- axis
y-axis=(x,y)-(-x,y)
reflection
What is an angle bisector?
is a ray or segment that divides an angle into two congruent parts.
What is the area formula for a triangle?
1/2bh
What is the rule for a translation?
(x,y)-(x+a,y+b)
what are vertical pairs?
are the two nonadjacent angles formed by two intersecting lines.
What is a volume formula of a cone?
1/3bh
True or false, zeros are significant if they are between whole numbers.
True
What is a complementary angle?
are two angles with measures that have a sum of 90 degrees.
What is volume formula for a sphere?
3/4pier^3
What is precision?
is the repeatability, or reproducibility, of a measurement.
What are supplementary angles?
are two angles with measures that have a sum of 180 degrees
What is the surface area formula for a rectangular prism?
2(wl+hl+hw)
What is the approximate error formula?
Ea = l actual measurement - estimated measurement l