Circles
The line segment between two points on a given curve.
What is a chord?
for a trapezoid's area
What is the formula (a+b) x h/2 ?
the line going left to right on the Cartesian plane, that has a value of zero
What is the x axis?
The relationship between two magnitudes with respect to the number of times the first number contains the second.
What is a ratio?
A shape that has 4 equal sides, but no right angles.
What is a rhombus?
The distance across a circle, which passes thru the centre.
What is the diameter?
twice the radial distance multiplied by pi
What is the circumference of a circle?
the line going up and down on the Cartesian plane?
What is the Y axis?
M = ((x1 + x2) /2, (y1 + y2)/2 )
What is the midpoint formula?
A Quadrilateral that has opposite sides parallel, but no right angles.
What is a Parallelogram?
the equation x2 + y2 = 36, describes a circle of what area?
What is (approximately) 113 sq. units.
Pi x r x r
What is the formula for area of a circle ?
The act of rotating around an axis
What is a rotation?
a2 + b2 = c2
What is the Pythagorean Theorem?
A Quadrilateral that has two pairs of adjacent sides with equal lengths.
What is a Kite?
The point that is equidistant from each vertex of a triangle.
What is the circumcentre?
a + b + c + d
What is formula for finding the perimeter of a trapezoid.
The point (0, -4) would be this.
What is a y intercept?
the two formulas needed to find the perpendicular bisector
What are the midpoint formula and the slope of a line formula?
Angles that are in matching corners
What are Corresponding Angles?
The point in a triangle where median lines meet.
What is an centroid?
(bxh)/2
How do you find the area of a triangle?
The line segment AB, where A(4, 6) and B ( -2, -2) has this slope.
What is -4/3 ?
1 in :200 cm
What is an example of a scale factor?
A figure whose circumcentre and centroid overlap.
What is an equilateral triangle?