Monday

April 21, 2014

April 21, 2014

Number of results: 21,199

**Geomentry**

prove the statement Angle ABD is a right angle and Angle CBE is a Right Angle and prove Angle ABC is Congruent to Angle DBE
*Sunday, October 27, 2013 at 11:43am by Andy*

**maths**

In triangle ABC angle B > angle C if AM is the bisector of angle BAC and AN perpendicular BC. prove that angle MAN =1/2(angle B - angle C)
*Tuesday, August 23, 2011 at 9:28am by Anonymous*

**Maths**

X and Y are points on the sides BC and AC of a triangle ABC respectively such that angle AXC = angle BYC and BX = XY. Prove that AX bisects the angle BAC. I believe the first step is to prove ABXY is a cyclic quadrilateral. Unfortunately, I dont know how!!!
*Sunday, July 20, 2008 at 8:51pm by Bobby*

**algebra**

ABC and DCB are right angles .That A and D respectively.And AC=DB. Prove that angle ABC is equal to angle DCB?
*Wednesday, August 15, 2012 at 12:11pm by TUHITUHI*

**math**

in triangle abc ad is bisector of angle a and angle b is twice of angle c prove that angle bac is equal to 72
*Friday, May 11, 2012 at 11:16am by priyanka*

**math**

In a triangle ABC,right angled at B, BD is drawn perpendicular to AC. prove that: (i) angle ABD = angle c (ii) angle CBD = angle A
*Friday, July 27, 2012 at 10:42am by sunny*

**geometry**

In a triangle ABC,right angled at B, BD is drawn perpendicular to AC. prove that: (i) angle ABD = angle c (ii) angle CBD = angle A
*Friday, July 27, 2012 at 8:32pm by sunny*

**Math**

angle ABC ~= angle ACB BD perpendicular AC The sum fo the three angles in any triangle is 180 degree. Prove: mangle CBD = 1/2 mangle BAC
*Sunday, October 14, 2012 at 12:23pm by Tom*

**Geometry**

Given: angle ABD is a right angle , angle CBE is a right angle. Prove: angle ABC is congruent angle DBE
*Thursday, September 29, 2011 at 6:21pm by Sam*

**Geometry**

ABC is an acute triangle with \angle BCA = 35 ^\circ. Denote the circumcenter of ABC as O and the orthocenter of ABC as H. If AO=AH, what is the value of \angle ABC (in degrees)?
*Tuesday, March 26, 2013 at 11:31pm by Dan*

**maths**

ABC is an acute triangle with \angle BCA = 35 ^\circ. Denote the circumcenter of ABC as O and the orthocenter of ABC as H. If AO=AH, what is the value of \angle ABC (in degrees)?
*Saturday, March 30, 2013 at 8:57am by rohit*

**geometry**

obtuse triangle ABC with obtuse angle B. Point D on side AC such that angle BDC is also obtuse. Angle DAB is 2/3 of angle ABD. Angle BCD is 1/5 of angle CBD is 4 more than angle BAD. Find the measure of angle ABC.
*Tuesday, November 30, 2010 at 6:12pm by suzy*

**Math**

From the vertex A of a right angled triangle ABC, (A being the right angle) AD is drawn perpendicular to BC. How do I prove that the three triangles ABD, ADC, and ABC are similar? Thank you!
*Thursday, July 8, 2010 at 12:35am by Mintz*

**algebra - eh?**

Excuse me? You say ABC and DCB are right angles . . . <mumble mumble> Prove that angle ABC is equal to angle DCB Duh. They are both right angles. Care to modify your data and question?
*Wednesday, August 15, 2012 at 12:11pm by Steve*

**maths**

in triangle abc angle b = 2angle c.d is a point ob bc such that ad bisects angle bac and ab = cd.prove that angle bac = 72
*Wednesday, August 15, 2012 at 2:35am by rajat garg*

**Geometry **

Angle ABC and ange DBE are vertical angles,the measure of angle ABC =3x+20, and the measure or angle DBE =4x-10. Write and solve an equation to find the measure of angle ABC and the measure of angle DBEin
*Sunday, September 2, 2012 at 10:31pm by Amber*

**Geometry **

Angle ABC and ange DBE are vertical angles,the measure of angle ABC =3x+20, and the measure or angle DBE =4x-10. Write and solve an equation to find the measure of angle ABC and the measure of angle DBEin
*Sunday, September 2, 2012 at 10:32pm by Amber*

**Geometry**

Given: obtuse triangle ABC with obtuse angle B. Point D on side AC such that angle BDC is also obtuse. Angle DAB is 2/3 of angle ABD. Angle BCD is 1/5 angle BDC and angle CBD is 4 more than angle BAD. What is the measure of angle ABC?
*Sunday, December 12, 2010 at 11:31pm by Kathy*

**geometry**

Angle ABC and angle EBF are a pair verical angles. The measurement of angle ABC = 3X + 8 and the measurement of angle EBF = 2X + 48. What are the measurements of angle ABC and angle EBF
*Thursday, August 11, 2011 at 7:23pm by amy*

**Math(Geometry)**

In the diagram below(no diagram but details will be provided), right triangle ABC and line BD is an altitude to side line AC. * Prove that (AB)^2=(AC)(AD) -When you label the triangle B should be were the right angle is C should be at the top of the triangle and it should be ...
*Wednesday, November 24, 2010 at 8:17pm by Phyllis *

**Geometry **

Line BD bisects angle ABC. Angle ABC= 9x. Angle ABD= 4x+13. Finds angle DBC
*Monday, September 23, 2013 at 12:47pm by Taylor*

**geometry**

draw a triangle abc with abc ab =4.5 ,angle abc=35,angle acb=65
*Monday, November 26, 2012 at 8:38am by mudit*

**Math **

In the triangle ABC, angle ABC is x, angle BCA is x+40, and angle CAB is 2x. What is the measure of the largest angle (in degrees) ?
*Wednesday, November 10, 2010 at 5:16pm by sadf*

**MATH_URGENT**

Point X is on side \overline{AC} of \triangle ABC such that \angle AXB =\angle ABX, and \angle ABC - \angle ACB = 39 degrees. Find \angle XBC in degrees.
*Thursday, March 13, 2014 at 11:09pm by RhUaNg*

**Geometry**

ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If \angle BCA = 39 ^\circ and \angle EBA = 2 \angle DAB , what is the measure of \angle ABC (in degrees)?
*Thursday, February 28, 2013 at 12:14am by John*

**Geometry**

ABC is an acute angle triangle with points D and E on BC and AC, respectively such that BE and AD are altitudes. AD and BE intersect at H. If \angle BCA = 39 ^\circ and \angle EBA = 2 \angle DAB , what is the measure of \angle ABC(in degrees)?
*Friday, March 1, 2013 at 6:42pm by John*

**geometry**

measure of angle ABC=4x-12 measure of angle ABX=24 BX bisects ABC solve for X and find the measure of angle ABC **page 48 # 11 of prentice hall,california geometry**
*Tuesday, September 27, 2011 at 3:28pm by Terry*

**geometry**

measure of angle ABC=4x-12 measure of angle ABX=24 BX bisects ABC solve for X and find the measure of angle ABC **page 48 # 11 of prentice hall,california geometry**
*Tuesday, September 27, 2011 at 3:29pm by Terry*

**Johan**

Given angle 1 = (x + 7)degree, angle 2 = *(2x -3)degree, angle ABC = (x 2nd power) degree, angle D = (5x - 4)degree. Show that angle ABC congruent to angle D I can't seem to solve this?
*Tuesday, September 4, 2012 at 1:11am by Sia*

**help math**

In triangle ABC, points D,E,F are on sides BC,CA,AB respectively such that AD,BE,CF are angle bisectors of triangle ABC. The linesAD,BE,CF are concurrent at I,the incenter of triangle ABC. If Angle BAC=90, what is the measure (in degrees) of Angle EIF?
*Tuesday, May 28, 2013 at 4:43am by andrew*

**geometry**

Is this statement always true, sometimes true, or never true? give angle ABC and DEF, if angle A = angle D, angle B = angle E, and angle C = angle F, then angle ABC is congruent to angle DEF
*Sunday, May 30, 2010 at 8:58pm by Anonymous*

**Geometry**

Given angle 1 = (x + 7)degree, angle 2 = *(2x -3)degree, angle ABC = (x 2nd power) degree, angle D = (5x - 4)degree. Show that angle ABC congruent to angle D
*Thursday, May 1, 2008 at 6:56pm by Ash*

**Geometry- how to write proof**

ABC is a right triangle. Angle C is 90 degree. Altitude CD is drawn to hypotenuse AB. Prove AB/BC = BC/BD and AB/AC = AC/AD This is a theorem. How do I prove it? Thanks. Dont you have similar triangles? You can show this by looking at the angles involved...remember the ...
*Friday, February 23, 2007 at 1:19pm by Jen*

**geometry**

Find m<ABC if line BD is an angle bisector of angle ABC and m<ABC = 4x - 5 degrees and angle b is x + 6 degrees
*Sunday, October 10, 2010 at 7:34pm by Sharon*

**geometry**

if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc
*Sunday, October 9, 2011 at 5:23pm by Anonymous*

**geometry**

if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc
*Sunday, October 9, 2011 at 5:44pm by Anonymous*

**geometry**

if segment bd bisects angle abc. the measure of angle abc=7x. the measure of angle abd=3x+25 find the measure of angle dbc
*Sunday, October 9, 2011 at 6:47pm by Anonymous*

**geometry**

Indirect proof given triangle ABC,<B is an obtuse angle prove there can only be one obtuse angle in triangle.
*Friday, December 17, 2010 at 3:17pm by Alfa*

**Geometry**

Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle 4? My answer: The sides of the ...
*Monday, February 26, 2007 at 9:23pm by DANIELLE*

**Geometry**

Given quadrilateral ABCD,ABllDC, diagonal AC. we can prove that angle 1= angle 2, but cannot prove angle 3=angle4 Why is this. What must be true about the sides of the Quadrilateral in order to prove that angle 3 is congruent to angle 4? My answer: The sides of the ...
*Sunday, March 4, 2007 at 8:10pm by DANIELLE*

**Geometry**

Given: in triangle ABC, angle B= 120 degrees Prove: angle A does not= 60 degrees Plan: use indirect proof Assume temporarily that Measure angle A = 60. Then measure angle C=60, and measure angles A+B+C=180= 60+B+60=180. Therefore the temporary assumption that measure angle A=...
*Tuesday, June 12, 2007 at 1:14pm by DANIELLE*

**GEOMETRY (Angles) PLEASE**

in triangle ABC, angle b is 5 more than twice angle A and angle C iss 35 less than three times angle A. Find the angles of triangle ABC
*Saturday, August 24, 2013 at 2:09am by yuri*

**geometry**

8. iN triangle ABC, a point D is on AC so that AB=AD. ANGLE ABC - ANGLE ACB = 30. IND ANGLE CBD. PLEASE TELL ME WHAT TO DO. I BEG YOU. PLEASE
*Tuesday, October 22, 2013 at 5:53am by nicole*

**MATHS**

In triangle ABC, BC is produced to D. If angle ACD = 110 degree and angle ABC = 70 degree. Find angle BAC. Give reason.
*Monday, March 12, 2012 at 4:27am by Job*

**GEOMETRY TRIANGLE **

IN TRIANGLE ABC, A POINT D IS ON AC SO THAT AB=BD. ANGLE ABC - ANGLE ACB = 30. FIND ANGLE CBD HELP NNNNNDEEEEEDDDD PLEASE
*Thursday, October 24, 2013 at 8:30am by Barbie Lee *

**math**

Rays AB and BC are perpendicular. Point D lies in the interior of angle ABC. If Angle ABD = 4r-7 and angle DCB = 8r+1, find angles ABC and DCB.
*Saturday, September 8, 2012 at 10:26pm by Sarah*

**geometry**

find the length of ab & bc of a triangle abc having given the length of ac = 28inch, angle abc = 90, angle bac =30,, angle acb = 60
*Wednesday, January 4, 2012 at 12:48am by Anonymous*

**trigo**

In a right tringle ,angle ABC has a value of 37 degree while its opposite side is equal to 5,where angle c=90 degree Find A.)Remaining sides of the triangle B.)Angle ABC using any trigonometry Functions
*Tuesday, July 12, 2011 at 4:23am by William john*

**geomerty**

The following triangles, Ä ABC and Ä DEF, are congruent. abc 67.38degree 12cm lenght 22.62degree b5cm,l,13cm Find the lengths of all missing sides and measures of all angles for both triangles. Include correct units with each of your answers. First triangle: Second triangle: ...
*Wednesday, May 11, 2011 at 1:11am by kozy*

**math**

point A(-1,-2) B(7,2) C(k,4) K is a constant. The vertices of ABC. Angle ABC is a right angle. Ive worked out the gradient of AB to be 1/2. How do you calculate the value of k?? thanks for the help
*Wednesday, October 13, 2010 at 1:10pm by liam*

**geometry**

in triangle ABC extend BC to form the exterior angle at C, call that x We know angle A + Angle B + angle C = 180 But angle C + x = 180, (by supplementary angle theorem) so angle A + angle B + angle C = x + angle C subtract angle C from both sides angle A + angle B = x, the ...
*Monday, June 22, 2009 at 2:43pm by Reiny*

**10th grade Geometry**

How do you do this proof? "In circle O, line segment ABC and line segment ADE are secants. Prove that angle ADC is congruent to angle ABE. This is the diagram: img523.imageshack.us/my.php?image=diagram3.jpg
*Monday, February 23, 2009 at 11:25pm by Tommy*

**math**

point A(-1,-2) B(7,2) C(k,4) K is a constant. The vertices of ABC. Angle ABC is a right angle. Ive worked out the gradient of AB to be 1/2. And the negative reciprocals is 2. How do you calculate the value of k?? thanks for the help
*Wednesday, October 13, 2010 at 1:48pm by liam*

**math**

point A(-1,-2) B(7,2) C(k,4) K is a constant. The vertices of ABC. Angle ABC is a right angle. Ive worked out the gradient of AB to be 1/2. And the negative reciprocals is -2. How do you calculate the value of k?? thanks for the help
*Wednesday, October 13, 2010 at 1:49pm by liam*

**Trig**

a. What is the length of the hypotenuse of triangle ABC? b. What is the length of the shorter leg of triangle ABC? c. What is the length of the longer leg of triangle ABC? angle A=60, angle B=30, angle C=90 the triangle has a height of 10
*Friday, February 3, 2012 at 12:18pm by BreAnne*

**Trigonometry**

ABC is a right triangle with AB = 2, BC = 3\sqrt{5}, AC = 7 and \angle ABC = 90^\circ. If \cos \angle BAC = \frac{a}{b}, where a and b are coprime positive integers, what is the value of a + b?
*Wednesday, March 27, 2013 at 11:55pm by Dan*

**Geometry**

The altitude to the hypotenuse of a right triangle ABC divides the hypotenuse into 12mm and 16mm segments. Find the lengths of each of the following. A. The altitude to the hypotenuse B. The shorter leg of angle ABC C. The longer leg of angle ABC
*Monday, September 30, 2013 at 10:51pm by George*

**Genius Math**

Triangle ABC has AC=BC, angle ACB=96 degrees. D is a point in ABC such that angle DAB=18 degrees and angleDBA=30 degrees. What is the measure in degrees of angle ACD? I got 42 degrees!
*Tuesday, December 24, 2013 at 1:49am by Anonymous*

**geometry**

TWO COLUMN TRIANGLE PROOF Given: line AB is parallel to line DE, and line AD bisects line BE Prove: triangle ABC is congruent to triangle DEC by using the ASA (angle-side-angle) postulate
*Sunday, November 9, 2008 at 11:08pm by tori*

**Geometry**

Given: segment BD bisects angle ABC; AB=BC. Prove: triangle ABD congruent to triangle CBD
*Tuesday, March 12, 2013 at 8:12pm by Constance*

**math**

In a triangle ABC , the internal bisectors of angles B and C meet at P and the external bisectors of the angles B and C meet at Q. prove that: angle BPC + angle BQC = 2 rt. angles.
*Friday, July 27, 2012 at 10:59am by sunny*

**geometry**

In a triangle ABC , the internal bisectors of angles B and C meet at P and the external bisectors of the angles B and C meet at Q. prove that: angle BPC + angle BQC = 2 rt. angles.
*Friday, July 27, 2012 at 8:31pm by sunny*

**Math**

trapezium ABCD, , with diagonal connecting A and C, angle ABC is 86, angle ADC is y, angle dac is 66 and angle bac is x, no angle given for bcd or bca or acd. find x and y why is the fourth angle 114?
*Monday, February 3, 2014 at 5:27pm by Evie*

**math**

let AD = DC = x then AB = 2x in triangle ABC , angle B = angle C =Ø in triangle BCD , angle C = angle BDC = Ø 2 angles of one are equal to 2 angles of the other, so they are similar then: 2/x = 2x/2 2x^2 = 4 x^2=2 x=√2 So triangle ABC has equal sides of 2√2 and a ...
*Monday, November 5, 2012 at 5:22am by Reiny*

**geometry**

I need to figure out this proof, the figure is two triangles forming a rhombus. Given: segment BD is the angle bisector of triangle ABC and triangle ADC Prove: Triangle ABD is congruent to Triangle CBD So far I have segment BD is the angle bisector of triangle ABC and triangle...
*Sunday, December 15, 2013 at 10:51am by cassidy*

**Geometry..**

Given: A(3,-1), B(5,2), C(-2,0), P(-3,4), Q(-5,-3), R(-6,2). Prove: angles ABC and RPQ are congruent by completing the paragraph proof. AB=RP=13, BC=(?)=53, and CA=QR=26. So segment AB is congruent to (?), segments BC and PQ are congruent and segment CA is congruent to segment...
*Tuesday, July 26, 2011 at 8:59pm by Wendell*

**Math**

a parabola whose rootsare at A(-3,0) and B(6,0) has a y-intercept at point C(0,p),p<0, such that angle ABC is a right angle. if the equation of the parabola is y=ax^2+bx=c, compute the value of (abc)^2
*Sunday, May 29, 2011 at 12:46am by Stan*

**geometry**

Triangle ABC has the following angle measures. Angle A = 44. Angle B = 4x. Angle C = 2x + 16. Find the measure of angle C.
*Thursday, December 16, 2010 at 12:14pm by jess*

**Geometry**

Given: segment AB is congruent to segment BC; angle 1 is congruent to angle 2 Prove: triangle ABC is congruent to triangle DEC
*Monday, March 11, 2013 at 9:35pm by Constance*

**maths**

ABC is a triangle BD & CE are altitudes drawn from the vertex B & C. Prove that ABC is an isoceles triangle
*Wednesday, June 19, 2013 at 4:55am by karan*

**Trigonometry**

in triangle abc, if sin c= (sin a + sin b )/ ( cos a + cos b ) prove that triangle abc is a right-angle triangle.
*Sunday, July 13, 2008 at 3:16am by Tommy*

**Math Geometry**

Geometry Question: Prove the symmetric Property for congruence of triangles. Given: ∆ABC≅ ∆DEF Prove: ∆DEF≅ ∆ABC
*Wednesday, May 18, 2011 at 8:27am by Reigel*

**Algebra 2 review**

In triangle ABC, the ratio of the measure of angle A to the measure of angle B is 3:5. The measure of angle C is 20 more than the sum of the measure of angles A and B. What is the measure of each angle in triangle ABC?
*Thursday, April 28, 2011 at 12:40pm by Beth*

**maths-Circles**

O is the centre of a circle which has two chords BA and BC with point B on the circumference of the circle.If OB bisects angle ABC,prove that AB=AC
*Monday, February 25, 2013 at 7:08am by Anonymous*

**math**

angle ABC and DEF are supplementary angles. the measure of DEF is 20 degrees less than 3 times the amount of ABC. what are ABC and DEF.
*Thursday, January 24, 2013 at 7:49pm by hunter*

**geometry**

triangles ABC and XYZ are congruent. Angle A is one half the size of angle B. Angle Y is 90 degrees. Angle C and angle Z are both 45 degrees. what is the measure of angle A.
*Tuesday, March 1, 2011 at 5:51pm by Nana*

**math**

if triangles abc and xyz are congruent. angle a is one half the size of angle b. angle y is 90 degrees. angle c and angle z are both 45 degrees. what is the measure of angle a?
*Monday, March 26, 2012 at 9:07pm by steve*

**geometry**

the vertices of triangle ABC are A(1,7)B(9,3)C(3,1) a.prove that the triangle is a right triangle b.which angle is the right angle? c.which side is the hypotnuse? d.what are the coordinatesof the midpoint of the hypotnuse? e.what is the equation of the median from the vertex ...
*Friday, February 20, 2009 at 11:52am by melissa*

**Geometry**

Can I get help starting this exercise:- Let triangle ABC be such that AB is not congruent to AC. Let D be the point of intersection of the bisector of angle A and the perpendicular bisector of side BC. Let E, F, and G be the feet of the perpendicular dropped from D to line AB...
*Tuesday, October 20, 2009 at 8:58am by Julie*

**math -trig**

nice question! lets do some geometric construction. Draw the original triangle, label it ABC with a=10, b=7 and c=8 draw the larger triangle DEF with a 1 unit space between the sides, so that angle A = angle D etc. let's concentrate at the angle B corner. Extend AB to meet EF ...
*Tuesday, June 9, 2009 at 8:19pm by Reiny*

**Geometry**

If angle ABD is 79 what is angle ABC and DBC DBC (5x+4) ABC (8x-3)?
*Wednesday, August 28, 2013 at 1:19pm by Darko*

**Geometry **

Please answer at least one . PLEASE 1. Triangle XYZ has a right angle at Y. V,W are on XZ such that XV=XY. WZ=YZ, find ANGLE VYW . 2. STUVWXYZ is a regular octagon. Find SW/ TZ. 3. The interior angles of a convex polygon form an arithmetic progression with a common difference ...
*Saturday, October 19, 2013 at 9:13am by Jayden*

**math**

Let ABC be a triangle such that angle ACB = 135 degrees. Prove that AB^2 = AC^2 + BC^2 + ¡Ì2 x AC x BC.
*Saturday, August 7, 2010 at 1:37am by mathsen*

**maths**

point D,E lie on side BC,CA of triangle ABC resp.lines AD,BE,DE bisect angle(BAC,ABC,ADC}resp.Then angle BAC=____radians
*Friday, May 17, 2013 at 2:38am by ramesh reddy*

**Precalculus**

1. Prove csc(symbol for angle) tan(symbol for angle) = sec(symbol for angle) 2. Prove cosx+sinxtanx=secx
*Monday, November 22, 2010 at 10:19am by Anonymous*

**Geometry.**

prove that the distance between any two points inside triangle abc is not greater than half the perimeter of triangle abc my teacher said to try doing this proof by contradiction. can someone please help??
*Thursday, December 19, 2013 at 6:59pm by Sammy*

**math**

in triangle abc angle b is 5x angle a and c is 16 degree less than 4 times angle a the size of angle a b c in decimal is
*Wednesday, March 23, 2011 at 2:25pm by elaine*

**Geometry**

If [angle]D is a right angle and lines PN, FG, and BD are parallel to each other, prove [angle]SPN ~ [angle]SFG ~ [angle]SBD
*Thursday, June 10, 2010 at 4:17pm by Shadi*

**Geometry / Proofs**

Given: Triangle ABC with AD bisecting angle BAC, and AE is congruent to ED (both line segments). Prove: AE/AC = BD/BC. Statements Reasons
*Tuesday, August 27, 2013 at 3:24pm by Lisa*

**Algebra, HELP! PLEASE!**

In triangle ABC, angle B is four times as large as angle A. The measure of angle C is 12∘ more than that of angle A. Find the measures of the angles.
*Saturday, September 7, 2013 at 12:02am by Kate*

**algebra**

In any triange, the sum of the measures of the angles is 180degrees. In triangle ABC, angle A is four times as large as angle B. Angle C measures 20degrees less than angle B. Find the measure of each angle.
*Sunday, October 19, 2008 at 11:27pm by misha*

**Precalculus**

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special cases in which...
*Monday, February 24, 2014 at 5:18pm by John*

**Geometry Proofs (w/Pic)**

Well, if it is a rhombus we know all the sides are of equal length AND opposite sides are parallel. All we have to prove is that the corner angles are equal CBE=BCE given so CBE=BCE=ADE=DAE intersect parallel lines BE = CE isosceles AD = BC rhombus so triangle AED congruent ...
*Saturday, January 18, 2014 at 5:50pm by Damon*

**maths**

In triangle abc, angle abc= ×deg,bc=× and ab=(×+10) ;find the value of x
*Saturday, April 19, 2014 at 8:09am by johan*

**Trigonometry/Geometry**

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special cases in which...
*Tuesday, November 19, 2013 at 1:47pm by Sam*

**maths-areas **

in triangle ABC P, Q AND R ARE the mid points of side AB, BC, CA.prove that area of parallelogram APQR=( 1/2)* area of triangle[ABC]
*Friday, March 15, 2013 at 1:55pm by anoynomous*

**Geometry**

answer to a two column proof problem such as Given: angle 1 and angle 5 are congruent and angle 5 is congruent to angle 4 prove angle 3 is comgruent to angle 1
*Wednesday, October 26, 2011 at 2:45pm by mea*

**geometry proofs**

given ABC is a triangle. Ad is the altitude to BC. Ad biscects angle BAC. Prove: Ad is the median to BC
*Tuesday, December 14, 2010 at 12:25am by SKipper*

**math**

in triangle ABC, line BF is angle bisector of angle ABC, line AE, line BF and line CDare medians, and P is the centriod. find Xif DP = 4x-3 and CP=30
*Sunday, December 16, 2012 at 4:33pm by Can't*

**GEOMATRY**

CONSTRUCT ANGLE ABC WHERE AB=AC=10cm AND BC=9cm .MEASURE AND WRITE DOWN THE SIZE OF ABC
*Saturday, September 10, 2011 at 7:37am by ZAHRA ALI*

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