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Geometry and Trig
Ask your questions about all levels of geometry from elementary school through college.
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Find the radius of a circle, given its diameter
LiseyDot05
Oct 5, 2023
Replies
7
Views
397
Oct 5, 2023
topsquark
How to evaluate values of sinx cosx tanx for very large values of x?
Qwertyuiop[]
Oct 4, 2023
Replies
6
Views
319
Oct 4, 2023
khansaheb
K
Y
Figure 1 is formed by a rectangular box measuring 38cm by 15cm and 2 identical white balls...
ydubrovensky4
Sep 23, 2023
Replies
13
Views
524
Sep 30, 2023
ronnieyoe225
R
Z
Arguments: "Write the truth value for the following biconditional statement..."
Zelda22
Sep 28, 2023
Replies
2
Views
492
Sep 28, 2023
Zelda22
Z
R
Pythagorean Theorem; 3 of the smallest Pythagorean Triples; SSS, SAS, and AA similarities; etc
ronnieyoe225
Sep 26, 2023
Replies
4
Views
299
Sep 27, 2023
Dr.Peterson
A
Stuck on this (Find the value of x from drawing of angles inside a circle)
apple2357
Sep 26, 2023
Replies
16
Views
583
Sep 26, 2023
Dr.Peterson
T
Finding the equation of a plane ("A golf ball is hit from a tee towards a hole...")
tpupble
Sep 24, 2023
Replies
5
Views
344
Sep 25, 2023
blamocur
L
Is this angle less than or equal to another angle
lalt
Sep 20, 2023
Replies
6
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331
Sep 22, 2023
lookagain
L
M
Struggling with word problem: "ABC is a right-angled triangle at A..."
mathyesno
Sep 13, 2023
Replies
6
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546
Sep 20, 2023
Bruce
B
A
Some Trig Identities: Prove cos(4t) = 8cos^4(t) - 8cos^2(t) + 1, etc.
Aminta_1900
Sep 13, 2023
Replies
14
Views
619
Sep 14, 2023
lookagain
L
B
Year 7 Geometry: Find the value of angle x in drawing
browncraig
Sep 13, 2023
Replies
5
Views
371
Sep 13, 2023
lev888
T
Finding a vector perpendicular to the plane 2x + y - z = 7 (answer is -4i - 2j + 2k)
tpupble
Sep 8, 2023
Replies
4
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293
Sep 8, 2023
Dr.Peterson
J
Question 15. Flagpole: A 30m cable is connected to the top of a flag pole....
joshdal9
Sep 6, 2023
Replies
11
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498
Sep 8, 2023
Steven G
E
Find the angle of a slot on a cylinder
EwanBryan
Sep 5, 2023
Replies
4
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318
Sep 6, 2023
Dr.Peterson
A
Triangles and circumference: "Given a circle with center O and radius r, draw a chord AB...."
AM797
Sep 5, 2023
Replies
3
Views
271
Sep 5, 2023
khansaheb
K
M
Verifying if the 3 incidence axioms are true in a given incidence plane candidate
mathinker
Aug 10, 2023
Replies
7
Views
628
Aug 25, 2023
mathinker
M
Dividing a quadrilateral: Can every quadrilateral be divided to 2 triangles?
shahar
Aug 19, 2023
2
Replies
23
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1K
Aug 23, 2023
Steven G
K
"The diagram shows the roof of a building. The base ABCD is..."
KaivettuJose
Aug 14, 2023
Replies
4
Views
942
Aug 21, 2023
The Highlander
N
Identify angles: Count the number of obtuse, acuse, reflex, and right angles in drawing
naheed
Aug 13, 2023
Replies
6
Views
579
Aug 19, 2023
The Highlander
V
The vertical asymptote of a trig function: which is *not* an asymptote of 1/sinpix?
vanyaa
Aug 10, 2023
Replies
5
Views
400
Aug 15, 2023
Dr.Peterson
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