Questions on Geometry: Proofs in Geometry answered by real tutors!

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 Geometry: Proofs in Geometry Solvers Lessons Answers archive Quiz In Depth

 Question 640484: 1. name two different ways to continue each pattern ~a,b,c....z ~a,z,b... 2.seven people meet and shake hands with one another ~using inductive reasoning write a formula for the number of handshakes if the number of people is n. 3.the fibonacci sequqnce consists of the pattern 1,1,2,3,5,8,13... ~what is the ninth term in the pattern? ~using a calculator look at the succesive ratios of one term to the next.make a conjecture. ~list the first eight terms of the sequence formed by finding the differences of succesive terms in the fibonacci sequence. Click here to see answer by solver91311(16897)

 Question 641832: how to construct a rhombus when diagnol AC=5.6cm and BD=6.5cm IS GIVEN Click here to see answer by Edwin McCravy(8924)

 Question 642658: The question is: Can you think of any way to prove from Euclid's postulates that for every line l (a) There exists a point lying on l? (b) There exists a point not lying on l? I'm thinking it has something to do with Euclid's parallel postulate, but I'm not sure. I have never written proofs before, so I am just having a difficult time trying to formulate this properly. Any help would be appreciated. Thank you! Click here to see answer by jim_thompson5910(28598)

 Question 643021: Name two different ways to continue this patter. 1,1,2 Click here to see answer by unlockmath(1606)

 Question 643016: I need help solving this proof, PQ 5 RS. Prove PR 5 QS ____________________ P Q R S Professor gave us this much 1.PQ=RS given 2.QR=QR Reflexive property 3. 4. 5.PR=QS We are to do 3,4,5 and give reason, I have no clue how to do this. Help! Click here to see answer by solver91311(16897)

 Question 644444: what is the largest number of different regions into which the plane can be divided by n lines? Click here to see answer by stanbon(57424)

 Question 646113: ```m∠RST = m∠TSV = m∠RSV = 49° Find x and m∠TSV``` Click here to see answer by Edwin McCravy(8924)

 Question 646714: Can you use the Law of Syllogism to make a conclusion wtih these statements? * If a number ends in 6, then it is divisible by 2. If a number ends in 4, then it is divisible by 2. Click here to see answer by MathLover1(6649)

 Question 646706: Use the Law of Detachment to make a conclusion for the following question. If two lines are parallel, then they do not intersect. Line l is parallel to line m. Click here to see answer by MathLover1(6649)

 Question 647915: l. H l l l. O l l l. W l_________D pretend that the l's are a line. this is the angle i have. the question is given:o is midpoint of line HW OW=WD prove: HO=WD Click here to see answer by solver91311(16897)

 Question 647916: l. H l l l. O l l l. W l_________D pretend that the l's are a line. this is the angle i have. the question is given:o is midpoint of line HW OW=WD prove: HO=WD Click here to see answer by solver91311(16897)

 Question 649444: Please answer these questions: I NEED IT NOW ASAP PLS PLS PLS I BEG YOU. * http://static.tumblr.com/o5ekeuz/2OOma6taj/abc.png and * http://static.tumblr.com/o5ekeuz/hBhma6td6/abcc.png PLEASE THANKS I NEED IT NOW Click here to see answer by lynnlo(4164)

 Question 649956: what are the five parts of a proof Click here to see answer by lynnlo(4164)

 Question 650170: use slopes to show that the quadrilateral whose vertices are (1.-1), (4,1),(2,2), and (5,4) is a parallelogram Click here to see answer by sachi(392)
 Question 650170: use slopes to show that the quadrilateral whose vertices are (1.-1), (4,1),(2,2), and (5,4) is a parallelogram Click here to see answer by MathLover1(6649)

 Question 650100: Write a two column proof: If one angle in a linear pair is a right angle, then the other is also a right angle. Given: Prove: 7 statements and 7 reasons. I need this now, please. Thanks! ASAP, I beg you. Click here to see answer by jim_thompson5910(28598)

 Question 650235: Given: Angle HKJ is a straight angle, KJ bisects angle HJK. Prove: Angle IJK is a right angle. Please show each step to this geometric proof. Click here to see answer by sheldonbbtrocks(53)

 Question 650270: Segment BE is congruent to segment BC; angle 3 is congruent to angle 1; angle 2 is congruent to angle 4 whats the proof Click here to see answer by solver91311(16897)

 Question 651731: segment cd bisects segment rs, but segment rs does not bisect cd. Is this possible? Click here to see answer by MathLover1(6649)
 Question 651731: segment cd bisects segment rs, but segment rs does not bisect cd. Is this possible? Click here to see answer by Edwin McCravy(8924)

 Question 652724: How would I prove that x=6 given the equation: x/3+2=x ? Click here to see answer by solver91311(16897)

 Question 652950: Please help me with this proof Given: <1 and<2 are supplementary, and <3 and<4 are supplementary <2 is congruent to <3 Prove: <1 is congruent to <4 There are seven steps to this problem ! Click here to see answer by solver91311(16897)

 Question 652981: A_____B_____C_____D_____E Given: AC=CE AB=DE Prove: BC=CD 9 steps 1-AC=CE Given 2-AB=DE Given 3-AC=AB+BC Seg. Add. Post. 4-CE=CD+DE Seg. Add. Post. 5-AC=CB+DE Sub. Prop. 6-AB+BC=CD+DE Sub Prop. 7-AB+BC=CB+AB Sub Prop 8-BC=CD Sub Prop. 9-? What am I missing or not understanding? Click here to see answer by Shana-D77(122)
 Question 652981: A_____B_____C_____D_____E Given: AC=CE AB=DE Prove: BC=CD 9 steps 1-AC=CE Given 2-AB=DE Given 3-AC=AB+BC Seg. Add. Post. 4-CE=CD+DE Seg. Add. Post. 5-AC=CB+DE Sub. Prop. 6-AB+BC=CD+DE Sub Prop. 7-AB+BC=CB+AB Sub Prop 8-BC=CD Sub Prop. 9-? What am I missing or not understanding? Click here to see answer by cholbrook74(1)

 Question 654646: Point C is the midpoint of AB and B is the midpoint of CD. Prove that AC is congruent to BD. Click here to see answer by solver91311(16897)

 Question 656367: For Each proof Identify the hypothesis, argument, and conclusion. Given: AB = BC Prove: AC = 2BC Statement Reason 1 AB = BC Given 2 AB + BC = AC Segment Addition Postulate 3 BC + BC = AC Substitution Property of Equality 4 2BC = AC Distributive Property 5 AC = 2BC Identity Do I write a hypothesis, argument, and conclusion for each statement? Click here to see answer by solver91311(16897)

 Question 656722: Hi! so I have this to be proven: I have an illustration of this square upper left corner: L upper right corner: O lower left corner: V Lower right corner: E Given: LOVE is a square Prove: Diagonals bisect each other I dont really know how to do it, or to place ASA postulate, or right angles,... dont know i dont get it please help me understand, I will have a test next week. help me please thank you Click here to see answer by lynnlo(4164)

 Question 656720: Given: LOVE is a square Prove: Diagonals bisect each other Click here to see answer by solver91311(16897)

 Question 657024: Given: angle ABD is a right angle. angle CBE is a right angle. Prove: angle ABC is congruent to angle DBE Click here to see answer by solver91311(16897)

 Question 657289: Needing help understanding proof. Statements 1. CD is perpendicular to CE 2. Angle DCE is a right angle 3. ? 4. M Angle DCE = m angle 1 + m angle2 5. ? 6. <1 and <2 are complementary Reasons 1. Given 2. ? 3. Def. of a right angle 4. Addition ? 5. Subsitution 6. Congruent Complements ? Click here to see answer by MathLover1(6649)