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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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T
Neighbor's electricity cable (digging to find cable, hook up to it)
Trex123
Apr 8, 2023
Replies
11
Views
532
Apr 9, 2023
Dr.Peterson
Robot Exit Angle Between Two Objects
imk
Apr 7, 2023
Replies
10
Views
523
Apr 9, 2023
insanecarrots
I
The diameter is the longest cord in the circle
shahar
Mar 31, 2023
Replies
3
Views
393
Apr 9, 2023
insanecarrots
I
M
Show that the area of a triangle with sides a and b and with an included angle θ is A=(1/2)*a*b*sin(θ)
MentholMan
Apr 5, 2023
Replies
5
Views
431
Apr 7, 2023
Dr.Peterson
K
Help with volume formula for elongated sphere of clay
Kyria
Apr 4, 2023
Replies
3
Views
549
Apr 7, 2023
Kyria
K
K
Is my answer wrong? I got (1/2)a^2(2π−sin(2Ø)−2cos(Ø))
Kulla_9289
Mar 31, 2023
2
3
Replies
45
Views
1K
Apr 2, 2023
blamocur
A
Is there a relationship between the ratios of arc to chord between the angles ?
Ahatmose
Mar 31, 2023
Replies
7
Views
310
Mar 31, 2023
Dr.Peterson
B
Did I get these trig questions right? (If P(1,-5) is on terminal arm of theta, find sec(theta).)
breadsticks
Mar 29, 2023
Replies
3
Views
349
Mar 30, 2023
Steven G
A
The Pyrthagorean Circle
Ahatmose
Mar 27, 2023
Replies
2
Views
356
Mar 29, 2023
Ahatmose
A
T
I need to find a way to determine if a ray is pointing at a line.
tetch
Mar 28, 2023
Replies
15
Views
451
Mar 29, 2023
tetch
T
G
Euclidean Geometry Problem: Prove that (AB>AC)⟺(BD>CD)
Giorgos Giannoulakis
Mar 26, 2023
Replies
1
Views
270
Mar 26, 2023
Dr.Peterson
S
need help sketching diagram! (no answer needed) "A communication tower is 35 m tall...."
senakuny
Mar 24, 2023
Replies
14
Views
984
Mar 25, 2023
The Highlander
A
Inscribed circle in a triangle with known sides
Ahatmose
Mar 24, 2023
Replies
12
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542
Mar 25, 2023
Ahatmose
A
T
Given an ellipse, determine how a cone was sliced to create it
Tsunamibomb
Mar 21, 2023
Replies
8
Views
556
Mar 25, 2023
Dr.Peterson
S
need help drawing diagram for "A retaining wall is leaning at an angle of 70° to the horizontal...."
senakuny
Mar 24, 2023
Replies
9
Views
690
Mar 24, 2023
Dr.Peterson
M
I need some locus geometry exercises
mojoy
Mar 23, 2023
Replies
1
Views
425
Mar 23, 2023
The Highlander
M
Triangle: Draw three lines through a random interior point P in triangle ABC....
MaxMontgomery
Mar 18, 2023
Replies
11
Views
950
Mar 23, 2023
MaxMontgomery
M
what have I done wrong? "if [(sinx)^4]/2 + [(cosx)^4]/3 = 1/5 then prove that (tanx)^2=2/3"
ALIAHMAD
Mar 20, 2023
Replies
7
Views
395
Mar 22, 2023
MarkFL
D
Properties of bisector from trapezoid
dea
Mar 20, 2023
Replies
1
Views
396
Mar 20, 2023
Dr.Peterson
O
Radius required when only Chord Length is Known
OB1M
Mar 14, 2023
Replies
15
Views
597
Mar 17, 2023
Otis
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