# Questions on Geometry: Triangles answered by real tutors!

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 Geometry: Triangles Solvers Lessons Answers archive Quiz In Depth

 Question 173124: This is the question: If one acute angle of a right triangle is twice as big as the other, then the one leg of the triangle is twice the other. (We have to answer Always, Sometimes, or never. If it is Sometimes or Never then we have to change it to make it an Always statement). I know that it is Never but I can't find a triangle that makes it an Always statement. (We have to use GSP for this). Click here to see answer by stanbon(57395)

 Question 173177: Can you please help me with this question: The altitudes of a triangle are concurrent at a point called the _________? (1)centroid (2)circumcenter (3)incenter (4)orthocenter Click here to see answer by jim_thompson5910(28598)

 Question 173263: I need to write 4 conclusions and justifications for this problem but i don't know what to do. Given: triangle WHY is congruent to triangle TOC triangle TOC is congruent to triangle PAL To Prov: WH is congruent to PA Click here to see answer by vleith(2825)

 Question 173256: in triangle abc, the measure of angle abc = 40 and the measure of angle b =111 find c Click here to see answer by Fombitz(13828)
 Question 173256: in triangle abc, the measure of angle abc = 40 and the measure of angle b =111 find c Click here to see answer by nerdybill(6963)

 Question 173288: An acute scalene triangle construct all construction marks label and indentify? Click here to see answer by Krissi(2)

 Question 173393: Triangle ABC and Triangle RST are similar with m < A < R and m < B = m < S. If AB, BC, and AC are 6 inches, 8 inches and 9 inches respectively, and RS is 7.2 inches, find ST (Answer to the nearest tenth) Click here to see answer by midwood_trail(310)

 Question 173381: The base of a triangle is 9cm greater than the height. The area is 56cm squared. Find the height and the base. Click here to see answer by midwood_trail(310)

 Question 173686: Can you explain how to find the measure of an exterior angle Click here to see answer by gonzo(654)

 Question 173993: in a hexagon three angles have the same measure. The measure of each of the congruent angles is twice the measure of the fourth angle and is half the measure of the fifth angle. The sixth angle measures 115. What is the measure of the smallest angle? Click here to see answer by gonzo(654)

 Question 173884: In triangle RKH, the measure of H is five hundred ninety-one degrees less than four times the measure of K. The measure of R is three hundred five degrees less than three times the measure of H. The measure of H is thirty-five degrees less than two times the measure of R. What is the measure of each angle in triangle RKH? Click here to see answer by nycsub_teacher(90)

 Question 174202: finding the area of triangle ABC a(3,4) b(7,3) c(5,1) A=the square root of s(s-a)(s-b)(s-c) s=a+b+c divided by 2 Click here to see answer by Edwin McCravy(8912)

 Question 173973: solve for x given BD=7/2x+4 and AE=9x=4.assume B is the midpoint of AC and D is the midpoint of CE. Click here to see answer by nycsub_teacher(90)

 Question 174269: The longest side of a triangle is 11 inches, the second side is 8 inches shorter than that. Find the 3rd side. Click here to see answer by nerdybill(6963)

 Question 174367: A conveyor ramp carries heavy equipment up to an elevated platform. If the ramp starts at ground level 156 ft from the base of the platform and the angle of elevation is 20°, how long is the ramp? Click here to see answer by ankor@dixie-net.com(15661)

 Question 174439: 6. true or false: it is not possible to find the exact value of sin75? if fals efind exact value Click here to see answer by jim_thompson5910(28598)

 Question 174528: In triangle ABC ,angle ACB is 90 degrees and CD is perpendicular to AB.Prove CB2/CA2=BD/AD Click here to see answer by jojo14344(1512)

 Question 174584: A triangle ABC has a median on side AC and AD which meets vertex B and C and the point where both median intersect named O. show that BOC =90˚ +BAC Click here to see answer by jojo14344(1512)

 Question 173295: how to construct all construction marks on a acute scalene triangle? And show me how please Click here to see answer by Mathtut(3670)

 Question 174769: Scalene triangle with 90, 75, abd 15 degree angles. Shortest side is 5 inches What are the other two side lengths? Click here to see answer by Alan3354(30993)

 Question 174832: the length of the hypotenuse of a 30, 60, 90 triangle is 4. what is the perimeter? Click here to see answer by actuary(112)

 Question 167853: THE PERIMETER OF A TRIANGLE IS 378 YARDS. THE SHORTEST SIDE IS 30 YARDS LONGER THAN ONE-HALF OF THE LONGEST SIDE. THE SECOND LONGEST SIDE IS 2 YARDS SHORTER THAN THE LONGEST SIDE. WHAT IS THE LENGTH OF EACH SIDE? Click here to see answer by piyushkumar47(2)

 Question 175069: hi i was wondering if i had a isoceles triangle that at every point has a letter....which would be the sides of it? and the angles? Click here to see answer by Edwin McCravy(8912)

 Question 175137: I need help with the following question Do points P(-2,-2),Q(4,1) and R(2,4) form a right triangle? justify your answer. How can you find the answer by calculation alone? Click here to see answer by gonzo(654)

 Question 175133: Could someone help me understand this problem? - Find the length and the equation of the median of the triangle ABC from A to BC id A(2,-6), B(-7,4), and C(1,12). I tried AB= (square root sign)((-7)-2)^2+(4-(-6))^2 = 13.45 BC= (square root sign) (1-(-7))^2+(12-4)^2 = 11.31 CA= (square root sign) (2-1)^2+((-6)-12)^2 = 18.02 and was marked wrong. Click here to see answer by gonzo(654)

 Question 175125: Find the center of the circle that you can circumscribe about triangle ABC. A (0,0) B (3,0) C (3,2) Click here to see answer by gonzo(654)

 Question 168862: Hi, i'm having a bit of trouble do you think you could help? the angles of a triangle are in the ratio 3:4:5. If the shortest side has a length of 1 meter, what idsthe length of the longest side? thanks! Click here to see answer by solver91311(16897)

 Question 175787: A certian triangle, the second side is one-third of the first side in length. The third side is 2 meter less than the first side. The perimeter of the triangle is 26 meters. Change from and algebriac equation to express the problem. Click here to see answer by jojo14344(1512)

 Question 175798: A triangle has an area of 144 sq. inches and its base is 2 ft. long. What is the altitude of the triangle? Click here to see answer by EMStelley(187)

 Question 175823: I'm working with Icoseles Triangles and I need help on a worksheet. I am given a right triangle divided through the right angle into an icoseles and an equilateral triangle. The two base angles of the icoseles triangle are (4x-2), this one being part of the right angle, and (7y+9). Could you help me find x and y, please? Click here to see answer by ankor@dixie-net.com(15661)

 Question 175857: Find the measure of each angle in triangle It is an 180 degree A is x B is 3x C is 8x+6 Click here to see answer by Alan3354(30993)

 Question 176112: how to find the circumcenter of a scalene triangle. Click here to see answer by Mathtut(3670)

 Question 176703: The legs of an isosceles triangle are 5 units long and the base is 4 units long, what is the length of the base? Please help I have been trying to pass Geometry for the last two months it is the last class I have to complete to receive my diploma I am finished with everything else. Please help! Click here to see answer by Earlsdon(6287)
 Question 176703: The legs of an isosceles triangle are 5 units long and the base is 4 units long, what is the length of the base? Please help I have been trying to pass Geometry for the last two months it is the last class I have to complete to receive my diploma I am finished with everything else. Please help! Click here to see answer by Alan3354(30993)

 Question 176650: If a circle is inscribed in a triangle with sides 12, 12, and 8, what is the radius of the circle? Click here to see answer by Mathtut(3670)

 Question 176927: The measures of the acute angles of a right triangle are in the ratio 1:4 What is the number of degrees in the measure of each of the acute angles? Click here to see answer by Mathtut(3670)

 Question 177373: In a right triangle, find the length of the side not given. ___ b=1, c=\/26 thank you!!!! Click here to see answer by Mathtut(3670)
 Question 177373: In a right triangle, find the length of the side not given. ___ b=1, c=\/26 thank you!!!! Click here to see answer by jim_thompson5910(28598)

 Question 177447: Help! How do you tell the difference between the adjacent and opposite side of a triangle? Is the adjacent side the base? Click here to see answer by MathTherapy(1427)
 Question 177447: Help! How do you tell the difference between the adjacent and opposite side of a triangle? Is the adjacent side the base? Click here to see answer by Mathtut(3670)

 Question 177436: Special Right Triangles: Yes this a very general question. How do you find the length of the sides in 30-60-90 and 45-45-90 special right traingles? i'm completley lost. Thanks Click here to see answer by edjones(7569)

 Question 177580: In triangle ABC , measure angle A equals 30 dregrees and measure angle C equals 90 degrees. Find AB if BC equals 8. Click here to see answer by edjones(7569)

 Question 177606: i do not know how to do triangles Click here to see answer by stanbon(57395)

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