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
236050 Questions
+1
44
1
+290
Geometry
The base of a triangle is of length b, and the altitude is of length h. A rectangle of height x is inscribed in the triangle with the base of the rectangle in the base of the triangle. The area of the rectangle is:
a)
read more ..
●
DS2011
Jan 13, 2024
0
43
1
+1455
Triangle
We have a triangle $\triangle ABC$ and a point $K$ on $BC$ such that $AK$ is an altitude to $\triangle ABC$. If $AC = 8,$ $BK = 2$, and $CK = 3,$ then what is $AB$?
●
kittykat
Jan 13, 2024
0
50
1
+1455
Triangle
In triangle $ABC$, $AB = 10$ and $AC = 15$. Let $D$ be the foot of the perpendicular from $A$ to $BC$. If $BD:CD = 1:3$, then find $AD$.
●
kittykat
Jan 13, 2024
0
46
1
+1455
Triangle
In triangle $ABC$, $AB = 7$, $AC = 17$, and the length of median $AM$ is $12$. Find the area of triangle $ABC$.
●
kittykat
Jan 13, 2024
0
50
1
+1455
Triangle
Suppose that there is a right triangle $\triangle ABC$ such that the legs $AB$ and $BC$ have lengths $4\sqrt{2}$ and $5,$ respectively. What is the length of the median $BM$?
●
kittykat
Jan 13, 2024
0
40
1
+1768
Graphing question
I have this graphing question
●
bader
Jan 13, 2024
0
51
1
+1768
help hard geometry
I need steps for this
●
bader
Jan 13, 2024
0
23
1
+1455
Solid geometry
Donatello starts with a marble cube. He then slices a pyramid off each corner, so that in the resulting polyhedron, all the edges have the same side length. If the side length of the original cube is $6$, then find the volume of the resulting
read more ..
●
kittykat
Jan 13, 2024
0
48
1
+346
Quadratic
Find the sum of the squares of the roots of $2x^2+4x-1=x^2-8x+3$.
●
nathanl6656
Jan 13, 2024
0
47
1
+346
Quadratic
The quadratic equation $x^2-mx+24 = 10$ has roots $x_1$ and $x_2$. If $x_1$ and $x_2$ are integers, how many different values of $m$ are possible?
●
nathanl6656
Jan 13, 2024
0
53
1
+346
Domain
Find the domain of the function $f(x)=\frac{2x-7}{\sqrt{x^2}} - \sqrt{5x+6-11}$.
●
nathanl6656
Jan 13, 2024
0
47
1
+1911
Triangle
Find the inradius of triangle ABC.
●
tomtom
Jan 13, 2024
0
47
1
+1911
Triangle
Find the circumradius of triangle $ABC.$
●
tomtom
Jan 13, 2024
+1
48
2
+180
Find the area of Triangle ABC
i think that i should
use like law of sines of cosines but I'm not sure, could I get some help, really don't know where to start...
●
●
itsash
Jan 13, 2024
+1
35
2
+19
Inverse Functions!
Any help is appreciated! I tried finding the inverse but I don't know the next step. Can someone please help, thanks!! Let f(x)=3x-4 and g(x)=5x+c . Find c if f(g(x) and g(f(x) for all x.
read more ..
ElectricPavlov
●
●
breadysetgo
Jan 13, 2024
0
28
1
+1557
Angle Bisectors
In triangle $ABC,$ let the angle bisectors be $\overline{BY}$ and $\overline{CZ}$. Given $AB = 14$, $AY = 14$, and $CY = 8$, find $BC$.
●
parmen
Jan 13, 2024
0
40
0
+1557
Angle Bisectors
In triangle $ABC,$ let the angle bisectors be $\overline{BY}$ and $\overline{CZ}$. Given $AB = 14$, $AY = 14$, and $CY = 8$, find $BZ$.
parmen
Jan 13, 2024
Jan 12, 2024
0
40
1
+743
Right Triangles
In triangle $ABC,$ $\angle B = 90^\circ.$ Point $X$ is on $\overline{AC}$ such that $\angle BXA = 90^\circ,$ $AX = 5,$ and $CX = 5$. What is $BX$?
●
bingboy
Jan 12, 2024
+1
28
1
+290
Trig Problem
A student lets out 30 meter of string on a kite from a hand height of 1 meter. The angle between horizontal hand height and the kite is 25º. Find the height of the kite above the ground, to the nearest meter.
ElectricPavlov
●
DS2011
Jan 12, 2024
0
44
1
+743
Area of Triangle
Find the area of triangle $ABC$ if $AB = 6,$ $BC = 8,$ and $\angle ACB = 30^\circ$.
●
bingboy
Jan 12, 2024
0
23
0
+743
Altitudes
In triangle $ABC,$ $AB = 15,$ $BC = 10,$ and $AC = 12.$ Find the length of the shortest altitude in this triangle.
bingboy
Jan 12, 2024
0
51
0
+743
Triangle
In triangle $ABC,$ the angle bisector of $\angle BAC$ meets $\overline{BC}$ at $D.$ If $\angle BAC = 45^\circ,$ $\angle ABC = 45^\circ,$ and $AD = 24,$ then find the area of triangle $ABC.$
bingboy
Jan 12, 2024
«
latest
9441
9440
..
9102
9101
9100
9099
9098
..
2
1
»
Post New Question
2 Online Users
Top Users
+129899
CPhill
moderator
+37153
ElectricPavlov
+33661
Alan
moderator
+15000
asinus
moderator
+2511
GingerAle
+2499
Solveit
+1938
NotThatSmart
+1557
parmen
+1521
blackpanther
+1455
kittykat
+1310
learnmgcat
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.