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Geometry Formulas and other stuff Flashcards | StudBud
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Geometry Formulas and other stuff
area of a triangle
Surface Area of a Rectangle/Cube
Geometry Formulas and other stuff
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Answers
1
Surface Area of a Rectangle/Cube
SA=2πrh+2πr2
SA=A+1/2ps
SA=2(lw)+2(wh)+2(hl)
SA=πr(r+√h2+r2)
2
area of a triangle
lw
bh/2
πr2
a+b/2⋅h
3
area of a rectangle/square
πr2
a+b/2⋅h
lw
bh/2
4
Surface Area of a Cylinder
SA=2(lw)+2(wh)+2(hl)
SA=2πrh+2πr2
SA=πr(r+√h2+r2)
SA=A+1/2ps
5
Distance Formula?
x1+x2/2 , y1+y2/2
sq rt (x1+x2)2+(y1+y2)2
Rise/Run
6
Surface Area of a pyramid
SA=A+1/2ps
SA=2(lw)+2(wh)+2(hl)
SA=πr(r+√h2+r2)
SA=2πrh+2πr2
7
area of a circle
lw
πr2
a+b/2⋅h
bh/2
8
Surface Area of a Cone
SA=A+1/2ps
SA=2(lw)+2(wh)+2(hl)
SA=πr(r+√h2+r2)
SA=2πrh+2πr2
9
Midpoint Formula?
Rise/Run
√(x1+x2)2+(y1+y2)2
x1+x2/2 , y1+y2/2
10
area of a trapezoid
lw
πr2
bh/2
a+b/2⋅h
11
Finding Slope?
sq rt (x1+x2)2+(y1+y2)2
x1+x2/2 , y1+y2/2
Rise/Run
12
Which one will prove that a triangle is NOT congruent?
SAS (Side-Angle-Side)
SSS (Side-Side-Side)
ASA (Angle-Side-Angle)
SSA (Side-Side-Angle)
13
Law of Cosines
a2=b2+c2-2bc cosA
a/Sin A = b/Sin B = c/Sin C
14
Law of Sines
a2=b2+c2-2bc cosA
a/Sin A = b/Sin B = c/Sin C
15
How is this triangle congruent?
ASA (Angle-Side-Angle)
AAS (Angle-Angle-Side)
SAS (Side-Angle-Side)
HL (Hypotenuse Leg)
16
Distance Formula?
x1+x2/2 , y1+y2/2
√(x1+x2)2+(y1+y2)2
Rise/Run
