Geometry and Trig

Ask your questions about all levels of geometry from elementary school through college.
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I need your help: If AT+BT' = m√n-p√q, m,n,p,q natural, n^2, q^2 coprime, find mn-pq.
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10
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2K
Seyed
S
M
Finding Segments and Angles: Given AE, BDG, angle F, angle G are right angles; D is midpoint of EC, B is midpoint of...
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2
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1K
Dr.Peterson
Dr.Peterson
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Distance between 2 vectors: If I want to define (and later measure) this, how is that commonly done?
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2
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970
khansaheb
K
L
My proof on 5 color map
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6
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1K
blamocur
blamocur
bob thompson
Mathematical Prison Escape: Create challenge where prisoner has to use geo/trig to escape
2
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25
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6K
bob thompson
bob thompson
J
The packing problem: What is the methodology for finding how many small spheres (radius r) can fit in a large sphere (radius R)?
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1
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2K
Dr.Peterson
Dr.Peterson
rocketFrog
Need help with a triangle similarity problem: Triangle CBD is inscribed in a circle. From point D, a tangent line is drawn...
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1
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1K
Dr.Peterson
Dr.Peterson
V
right scalene triangle problem with two right triangles in it help
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7
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3K
khansaheb
K
R
Circle over a rectangle - radius needed (opening is 60" vertical x 25" horizontal; strut is 2.5" wide)
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4
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2K
Dr.Peterson
Dr.Peterson
D
Semicircle Right Angled Trig: In the diagram, O is the centre of semicircle ACB, and...
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3
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1K
The Highlander
The Highlander
S
Vectors question: Prove that XYZ is a straight line
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3
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2K
blamocur
blamocur
S
Vectors question: OACB is a trapezium whose diagonals, OC and AB, intersect at P.
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3
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4K
blamocur
blamocur
S
Length of ladder: A ladder leans against a wall with its base 15 ft from it. When the ladder is pulled 5 ft further from the wall...
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4
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4K
The Highlander
The Highlander
L
The third harmonic of a wave motion is given by:4.3cos3θ-6.9sin3θ. express this in the form R sin(3θ±α) .
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3
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1K
The Highlander
The Highlander
N
I need help: "Calculate the perimeter of the composite figure"
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7
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4K
Nauman
N
R
Graphing a weird shape (based on the block game minecraft)
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2
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2K
Dr.Peterson
Dr.Peterson
J
Intersection of tangent line with circle
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5
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2K
jonnburton
J
S
Vectors question: ABCDEF is a regular hexagon with centre O. M is the midpoint of BC. X is on AB extended, such that....
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1
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2K
Dr.Peterson
Dr.Peterson
M
Questions about the union of these sets?
2 3 4
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61
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18K
pka
pka
S
Vectors question: is the mark scheme wrong?
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2
Views
1K
shuphie
S
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