(a+b)(c+d) - ANS-ac+ad+bc+bd
a(b+c) - ANS-ab+ac
a²-2ab+b² - ANS-(a-b)²
a²-b² - ANS-(a-b)(a+b)
a²+2ab+b² - ANS-(a+b)²
a³-b³ - ANS-(a-b)(a²+ab+b²)
a³+b³ - ANS-(a+b)(a²-ab+b²)
Absolute cost equation - ANS-A V-formed graph that factors upward of downward
Arc - ANS-Part of a circle connecting factors on the circle.
Area of a circle - ANS-Πr²
Area of a area - ANS-x°/360 instances (∏r²), where x is the tiers within the attitude
Area of a rectangular - ANS-s², in which s = length of a side
Area of a trapezoid - ANS-½(b₁ +b₂) x h [or (b₁ +b₂) x h÷2]
Area of a triangle - ANS-½(base x height) [or (base x height)÷2]
Area of rectangle, square, parallelogram - ANS-A=bh
Central Angle - ANS-An ange whose vertex is the center of the circle
Chord - ANS-The distance from one factor at the circle to another factor on the circle.
Circle - ANS-Is the set of points which might be all the same distance (its radius) from a certian
factor( the middle).
Cosine ratio - ANS-adjacent ÷ hypotenuse