Tutors Answer Your Questions about Geometry proofs (FREE)
Question 535976: a ladder 9m long is placed against a wall 2m away from its base. what is the height reached by the ladder?
find the approximate distance that will be saved by walking diagonally across a field 450m by 250m instead of walking along the two adjacent sides.
A flagpole is to be made firm. how much wire will be needed if, from 3 pegs, each 120cm away from the foot of the people, wire will be tied to a point on the pole 2and1/2m from the ground?
Click here to see answer by mananth(12270)  |
Question 540541: I'm trying to figure out if this is a valid or invalid argument. I have been trying to use a truth table to prove , but am having a hard time.
the argument is:
if something is a bug then it is ugly
spiders are ugly
conclusion spiders are a bug
Click here to see answer by KMST(1868)  |
Question 541598: 
I had a bit of time finding the right image to use. This is pretty much what I'm working with, only it's stands like an hourglass and the base and top extend out farther. (It should also say line AB, line DC and the midpoint on the bisected lines should say E. Also, if there's _?_ then (), then it's where I have to fill out. Everything else is what my textbook says.)
Given: Line segment AB is congruent to line segment DC
Line segment AD and line segment BC bisect each other.
Line AB || line CD
Prove: ▲ ABE is congruent to _?_ (▲ DCE)
Statements----------------------------------------------------------- Reason
1. line segment AB is congruent to line segment DC--------------1. Given
2. line segment AD and line segment BC bisect each other------2. _?_ (Given)
3. line segment AE is congruent to line segment _?_ (DE)------3. Def. of angle bisector
4. line segment BE is congruent to line segment CE-------------4. _?_ (Def. of angle bisector)
5. line AB || line CD-----------------------------------------------5. _?_ (Given)
6. angle BAE is congruent to angle CDE------------------------6. _?_
7. angle _?_ (ABE) is congruent to angle DCE-----------------7. If 2 || lines are intersected by a transversal, then the alternate interior angles are congruent
8. angle _?_ (AEB) is congruent to angle _?_ (CED)----------8. Vertical angles are congruent
9. ▲ ABE is congruent to ▲ DCE-------------------------------9. Definition of congruent polygons
(Feel free to correct my answers as well)
Click here to see answer by KMST(1868)  |
Question 533672: Lisa, Bree, and Caleb are meeting at an amusement park. They each enter at a different gate. On this diagram of the park, explain where the friends can meet so that each walks the same distance from the gate to their meetind point. Please explain each step.
Click here to see answer by cherkettle(1) |
Question 541965: Could you please help me to find the missing angles
I have a diagram two corresponding triangle the vertex angles is 56 and the other base measure in unkown and connected to tropozid and all the angles is missing I have to compelete the missing angle in the tropozid and the other triangle.
Thank you for your quick response.
Click here to see answer by moto.123(1) |
Question 543120: sorry this is geometry but my proof is hard and i need your help.
given: segment BC is congruent to segment BA, segment CD is congruent to AD.
prove: triangle ABD is congruent to triangle CBD..
Click here to see answer by bucky(2189) |
Question 547047: I was wondering if you could help me prove that Rstq (a rhombus) is a rhombus
The given is that rstq is a quadrilateral and that angle srt in congruent to angle str and angle str is congurent to rtq and angle rtq is congurent to trq and the rhombus looks like__s
__________________R/_\T
___________________\_/
____________________q
and could you set it up as a two column proof please?
Click here to see answer by solver91311(16885)  |
Question 548932: I'm having a little trouble with trying to figure this problem out
Given: Isos. Triangle STU
ST is congruent to TU
V is the midpoint of SU
Prove: a)triangle svt is congruent to triangle uvt
B)tv is perpendicular to su
C)tv bisects angle stu
D) angle s is congruent to angle u
All I can get is:
ST is congruent to TU:Given
V is the midpoint of SU:Given
SV is congruent to VU:Def. Of midpoint
I'm stuck on what to do next.
Click here to see answer by bucky(2189) |
Question 550587: 1.M is the mid-point of a line segment AB;AXB and MYB are equilateral triangles on opposite sides of AB;XY cuts AB at Z.Prove that:AZ=2 ZB.
2.In trapezium ABCD,AB//DC and DC=2 AB.EF,drawn parallel to AB cuts AD in F and BC in E such that 4 BE=3 EC.Diagonal DB intersects FE at point G.Prove that:7 EF=10 AB.
Click here to see answer by KMST(1868)  |
Question 550878: I have no clue how to do this its way too confusing. Please Help me.
Write a paragraph proof.
Given:BC is congruent with EC and AC is congruent to DC
Prove: BA is congruent to ED
There is no Graph with this
Click here to see answer by KMST(1868)  |
Question 552021: OK this might be hard to read but its a proof-
so PA(line segment) is congruent to PB and QA is congruent to QB is given
PQ is congruent to PQ (reflexive)
Then triangle PAQ is congruent to PBQ is it because of symmetric property?
Then angle APQ is congruent to BPQ is that corresponding angles?
PR is congruent to PR because of reflexive
Triangle APR is congruent to BPR is that corresponding angles also?
Click here to see answer by neatmath(300)  |
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