How can we help?

You can also find more resources in our Help Center.

Circle equation

Justify tangent segments being congruent

(volume) all solids with two bases for…

(volume) rectangular prism

(x-h)^2+(y-k)^2=r^2

Two tangent segments that meet at a point outside a circle ar…

V=B*h (B=area of base)

(l**w)**h

Circle equation

(x-h)^2+(y-k)^2=r^2

Justify tangent segments being congruent

Two tangent segments that meet at a point outside a circle ar…

sum of angles in polygon (interior)

each angle in regular polygon (interior)

each angle of regular polygon (exterior)

sum of angles in polygon (exterior)

(n - 2) 180

(n - 2) 180 / n

360 / n

360

sum of angles in polygon (interior)

(n - 2) 180

each angle in regular polygon (interior)

(n - 2) 180 / n

Volume of a Rectangular Solid

Pythagorean Theorem

Area of a Trapezoid

Volume of a Prism

V = lwh

a² + b² = c² ... where a and b are the lengths of the legs and…

A = 1/2 (b1 + b2)h ... where b1 and b2 are the bases

V = Bh ... where B=Area of base and h=height

Volume of a Rectangular Solid

V = lwh

Pythagorean Theorem

a² + b² = c² ... where a and b are the lengths of the legs and…

Two polygons are only similar when and…

How is a ratio set up

If two triangles are similar, then the…

If two triangles are similar, then the…

... their corresponding angles are congruent and correspondin…

a/b=c/d

... proportional to the measures of the corresponding sides.

... proportional to the measures of the corresponding sides.

Two polygons are only similar when and…

... their corresponding angles are congruent and correspondin…

How is a ratio set up

a/b=c/d

parallelogram

rhombus

rectangle

square

A quadrilateral with two pairs of parallel sides

A quadrilateral with four congruent sides. "Kite"

A parallelogram with 90 degree angles. A square is also a rec…

4 equal sides. 90 degree angles.

parallelogram

A quadrilateral with two pairs of parallel sides

rhombus

A quadrilateral with four congruent sides. "Kite"

Mid point formula

Distance Formula

Slope

Area of a square; Perimeter of a square

[(x₁+ x₂)/2 , (y₁+ y₂)/2]

d = √[( x₂ - x₁)² + (y₂ - y₁)²]

Rise over run;... The steepness of a line on a graph... (y₂-y₁)/(x₂…

Mid point formula

[(x₁+ x₂)/2 , (y₁+ y₂)/2]

Distance Formula

d = √[( x₂ - x₁)² + (y₂ - y₁)²]