Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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Ted
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Solar panel row spacing calculation
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blamocur
blamocur
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How to find the lenght of NO? "Given that MN = 12, OP = 24, OQ = 10, what is shaded area?"
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Vijlak
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Help: What is the length of [BP]?
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Dr.Peterson
Dr.Peterson
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Geometry Help ASAP! 'If AD = 30, what is BC? If ST = 2, QS = 4, PT = 5, find PQ"
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khansaheb
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geometry problem: "Consider a semicircle where AB is the diameter. On this semicircle, there's a point C..."
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282
limiTS
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bob thompson
Mathematical Prison Escape: Create challenge where prisoner has to use geo/trig to escape
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377
bob thompson
bob thompson
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2 questions about the exact geometry of a 1 unit line segment
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294
pka
pka
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two rays are drawn from c to pts A1, A2 in plane alpha, B1, B2 in plane beta.
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125
Dr.Peterson
Dr.Peterson
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Double angle problem: (sin(2a - b)/(cos(b)sin(a)))(tan(b)/tan(2a) + 1) = cot(a) - tan^2(b)tan(a)
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135
OttoVonMight
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Identifying coordinates of a triangle plotted on a graph.
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209
khansaheb
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Is this a legitimate geometric proof that the infinite sum of 1/(2^n) = 1?
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Mates
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Tile problem: From 3n triangular tiles and 1/2(n - 1)n six-sided tiles, an equilateral triangle can be...
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112
MathIsEverything
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A semi circle, r=1, is bisected by a chord parallel to the base so the segment above the chord is...
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BigBeachBanana
BigBeachBanana
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The simplest form of the expression (cot(x) + cos(x))/(1 + cosec(x))
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BigBeachBanana
BigBeachBanana
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"How to calculate the flat part of surface on the sphere" explanations below.
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192
Dr.Peterson
Dr.Peterson
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Sum of shaded areas: The area of a rectangle ABCD is 1. Assume E is on the diagonal AC...
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221
nanaseailie
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Quadrilateral with 2 congruent sides and two other sides not congruent. How do I solve this without Trig?
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123
stapel
stapel
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Geometry problem with a limit: Given a parallelogram ABCD with sides AB = 2a, AD = a.
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blamocur
blamocur
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number of shortest paths possible from black triangle to bottom row
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nanaseailie
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Construction layout: Will 2 semicircles with d=28-11/16" fit in wood 48" wide, 96" long?
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7
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157
blamocur
blamocur
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