Register
Login
Username
Password
Login
forgot your password?
Home
Forum
+0
Formulary
Maths
Help
Complex Numbers
Integral Calculus
Differential Calculus
Equations
Graphs
Linear Algebra
Number theory
Percent
Standard Functions
Statistics
Trigonometry
Unit Conversion
Units
About
Imprint
Privacy Policy
Terms of Service
Credits
Google+
Facebook
Contact Email
Post New Question
All Questions
+0
236075 Questions
0
41
0
+1911
Tangents
Two tangents $\overline{PA}$ and $\overline{PB}$ are drawn to a circle, where $P$ lies outside the circle, and $A$ and $B$ lie on the circle. The length of $\overline{PA}$ is $2,$ and the circle has a radius of $2.$ Find the length $AB.$
read more ..
tomtom
Dec 24, 2023
0
44
0
+1911
Semicircle
In triangle $ABC,$ $\angle C = 90^\circ.$ A semicircle is constructed along side $\overline{AC}$ that is tangent to $\overline{BC}$ and $\overline{AB}.$ If the radius of the semicircle is equal to $3,$ then find $\frac{AC}{BC}.$
tomtom
Dec 24, 2023
0
26
1
+1911
Tangent circles
The two circles below are externally tangent. A common external tangent intersects line PQ at R. Find QR.
●
tomtom
Dec 24, 2023
0
50
0
+1348
Geometry
A rectangle contains a strip of width $1,$ as shown below. Find the area of the strip.
sandwich
Dec 24, 2023
0
56
0
+1911
Circles
Points $T$ and $U$ lie on a circle centered at $O$, and point $P$ is outside the circle such that $\overline{PT}$ and $\overline{PU}$ are tangent to the circle. If $\angle TOP = 45^{\circ}$, then what is the measure of minor arc $TU$, in deg
read more ..
tomtom
Dec 24, 2023
0
35
1
+180
Find Cos C
Find Cos C
●
itsash
Dec 24, 2023
0
52
1
+180
Find sin B
Find sin B
●
itsash
Dec 24, 2023
0
33
1
+1348
help counting
In how many ways can you distribute $8$ indistinguishable balls among $2$ distinguishable boxes, if at least one of the boxes must be empty?
●
sandwich
Dec 24, 2023
0
39
1
+1348
Counting
There is a group of five children, where two of the children are twins. In how many ways can I distribute $3$ identical pieces of candy to the children, if the twins must get an equal amount of candy?
●
sandwich
Dec 24, 2023
0
31
0
+1348
Counting
How many solutions are there to the equation
\[u + v + w + x + y + z = 2,\]
where $u,$ $v,$ $w,$ $x,$ $y,$ and $z$ are nonnegative integers, and $x$ is at most $1?$
sandwich
Dec 24, 2023
0
42
0
+1348
probability
Miyu is giving out $8$ identical chocolates to her $5$ friends, including Dhruv. All possible distributions are equally likely. What is the probability that Dhruv gets exactly $7$ chocolates?
sandwich
Dec 24, 2023
0
53
0
+1348
help counting
Find the number of ways that Magnus can give out $12$ identical stickers to $2$ of his friends, if every friend gets at least one sticker.
sandwich
Dec 24, 2023
0
55
0
+1348
help with counting
Find the number of ways that Magnus can give out $12$ identical stickers to $2$ of his friends. (Not everyone has to get a sticker.)
sandwich
Dec 24, 2023
Dec 23, 2023
-1
29
1
+1520
Geometry
In square ABCD, P is on BC such that BP = 5 and PC = 2, and Q is on CD such that DQ = 4 and QC = 3. Find sin angle PAQ.
●
blackpanther
Dec 23, 2023
«
latest
9442
9441
..
9080
9079
9078
9077
9076
..
2
1
»
Post New Question
1 Online Users
Top Users
+129899
CPhill
moderator
+37153
ElectricPavlov
+15000
asinus
moderator
+2511
GingerAle
+2499
Solveit
+1938
NotThatSmart
+1557
parmen
+1520
blackpanther
+1457
kittykat
+1310
learnmgcat
+1279
Bosco
Sticky Topics
Some guidelines for question askers.
What is Happening 5
Again a number puzzle. Multiply in writing.
Loads of fun printable number and logic puzzles
¤¤¤¤Welcome To Web2.0calc¤¤¤¤
How to display latex properly
Feature Questions 1 - Started 8th May 19
How to upload a picture.
If a question is ticked that does not mean you cannot continue it.
Should you consider anything before you answer a question?
Geometry Thread
PUZZLES
LaTex Coding
/calculator/bsh9ex1zxj
Historical post!
What is happening? Wrap #4
Great Questions to Learn From 2
Great Answers to Learn From
Reference Material
Information for new people.