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Real Numbers - ✔✔All numbers that are on number line. Integers plus
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Real Numbers - ✔✔All numbers that are on number line. Integers plus fractions, decimals, and irrationals Slope of the line - ✔✔(𝑦 2 −𝑦1)/(𝑥 2 - 𝑥1)=𝑟𝑖𝑠𝑒/𝑟𝑢𝑛 Point-slope form - ✔✔y-y1=m(x-x1), where (x1,y1) is any point on the line and m is the slope of the line Slope-intercept form - ✔✔y=mx+b, where m is the slope and b is the y-intercept of the line. Pythagorean Theorem: - ✔✔a²+b²=c² Area of a triangles - ✔✔A=1/2bh The angles inside a triangle add up to? - ✔✔ 180 degrees equilateral triangle - ✔✔These triangles have three equal sides, and all three angles are 60 ∘ Isosceles - ✔✔An isosceles triangle has two equal sides. The "base" angles (the ones opposite the two sides) are equal (see the 45∘ triangle above). Area of a Circle - ✔✔A=π𝑟 2 Circumference of a Circle - ✔✔C =2π𝑟 The angles of a circle adds up too? - ✔✔ 360
Area of a rectangle - ✔✔A=lw Area of a Parallelogram - ✔✔A=bh A=l*w Angle of a parallelogram - ✔✔Regular polygons are n-sided figures with all sides equal and all angles equal. The sum of the inside angles of an n-sided regular polygon is(𝑛−2).180∘ Area of a trapezoid: - ✔✔A=1/2h(b1+b2) Volume of a rectangular/right prism - ✔✔V=bh Surface value of a rectangular/ right prism - ✔✔𝑆𝐴=𝑝ℎ+2𝐵SA=ph+2B Surface Area of a cylinder: - ✔✔SA=2πrh+2πr² Volume of a cylinder - ✔✔V=πr²h Surface Area of a Cone - ✔✔SA=πrt+πr² Volume of a Cone - ✔✔V=1/3πr²h Surface Area of a Sphere - ✔✔𝑆𝐴=4πr Volume of a Sphere - ✔✔V=4/3πr³ Perimeter of a Sphere - ✔✔p=Bπ 3.