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Free Math Help
Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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A
length of the shorter diagonal, given length of longer diagonal, lengths of sides of parallelogram
amemon
May 14, 2024
Replies
3
Views
1K
May 20, 2024
The Highlander
A
Polygon with 180 degrees? (polygon has n>5 sides, int. angles form arith. seq., smallest angle 84*, common diff. 4*)
apple2357
May 18, 2024
2
Replies
23
Views
4K
May 20, 2024
blamocur
D
Unsolvable? problem. (with corrected the typo) "How many lines can you draw in a 3D space, which intersect on a single point, and none of them has..."
Duplicity
May 19, 2024
Replies
7
Views
2K
May 20, 2024
Duplicity
D
O
parallelogram problem: ABCD-parallelogram, AB is perpendicular to BD, the total perimeter equals 32 cm, BD=8 cm; find area
ouch8y
May 19, 2024
Replies
1
Views
711
May 19, 2024
The Highlander
D
Unsolvable?? problem..
Duplicity
May 17, 2024
Replies
16
Views
2K
May 19, 2024
Duplicity
D
K
Please help!! ABCD is a trapezoid with bases AB and CD. Diagonals AC and BD intersect at point P and create similar triangles; AB:CD = 2:3
kqtzs
May 16, 2024
Replies
6
Views
2K
May 19, 2024
Otis
K
Help quick: circle O is determined by the equation x^2 + y^2 = 3. Point P has coordinates (0, -3) Let A = (a, b) be point on circle so...
kqtzs
May 16, 2024
Replies
7
Views
1K
May 19, 2024
jonah2.0
S
Area question involving trapezoid and parallelogram
Sophia_123
May 11, 2024
Replies
10
Views
3K
May 18, 2024
The Highlander
D
Primary Trigonometric Ratios: label "opposite", "adjacent" sides; find ratios from labeled triangle
DNLDN2
May 11, 2024
Replies
6
Views
1K
May 18, 2024
khansaheb
K
K
Help with Math Work pls: area, perimeter of shaded portion of nested circles; arc lengths; shaded area of triangle
Kaiser9090
May 7, 2024
Replies
3
Views
754
May 16, 2024
The Highlander
J
Trig identities and differentiation: I differentiated (cos(3x))^2 and got -6cos(3x)sin(3x) but answer key says -3cos(6x)
johnflynn
May 12, 2024
Replies
7
Views
1K
May 16, 2024
The Highlander
K
Trig Grade 11 Question
katec28
May 12, 2024
Replies
2
Views
683
May 16, 2024
katec28
K
J
Net(s) of a triangular prisms
Jignesh77
May 6, 2024
Replies
2
Views
1K
May 6, 2024
Dr.Peterson
R
Home entry ramp slope
Rif
Apr 30, 2024
Replies
7
Views
2K
May 6, 2024
Rif
R
L
Fitting 1 cm^2 rectangle with the highest possible aspect ratio inside a 20mm x 15mm rectangle
LaraKraft
May 1, 2024
Replies
3
Views
768
May 6, 2024
Dr.Peterson
C
Percentage Flat Roof Calculation Help Needed
Clive35
May 4, 2024
Replies
3
Views
728
May 5, 2024
Clive35
C
J
Rotating one square within another square (not homework!)
Jazzsammich
Apr 18, 2024
Replies
1
Views
661
May 5, 2024
mario99
M
K
How to start this question?
Kulla_9289
Apr 25, 2024
2
Replies
37
Views
4K
May 3, 2024
Dr.Peterson
T
an ellipse problem
Tonyaimer
Apr 28, 2024
Replies
3
Views
678
May 1, 2024
khansaheb
K
A
Determining the height of two overlapping right angled triangles
ariaaaah
Apr 23, 2024
Replies
3
Views
800
Apr 30, 2024
lev888
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