Questions on Geometry: Triangles answered by real tutors!

Tutors Answer Your Questions about Triangles (FREE)

Question 228349: Does anyone know what Pythagorean triples are and a set of formulas that will generate an infinite number of them. I am so lost and can't figure this out for anything. can someone explain this to me please.
Click here to see answer by Theo(3458)

Question 228364: What is the area of the largest triangle that can be inscribed in the semicircle shown? One side of the triangle is the 10 unit diameter of the semicircle. Be sure to justify your answer as being the largest area possible.
Click here to see answer by ankor@dixie-net.com(15639)

Question 228459: i have a project i am looking for an i need the angles for the triangle,the base of my project is 51 1/2 inches wide, when finished the project will be 36 inches high. i figure i should split the triangle into two congruent triangles. this would lead to two right triangles each with a base of 25 1/4 and a vertical of 36 inches. i need to know the remaining two angles.
Click here to see answer by nerdybill(6951)

Question 228473: In an isoceles triangle,one angle is 30 degrees greater than the other 2 angles. Find the measures of all three angles.
Click here to see answer by rfer(12647)

Question 228481: An equilateral triangle has 2 verticles at (0,-1) and (0,5) Find all possibilities for the third vertex.
I figured out the distance between the two points is 6 and I know that the thrid vertex can be in quadrant I and II, but I'm having trouble trying to use the distance formula figure out the coordinates of the vertex.

Click here to see answer by stanbon(57250)

Question 228655: Hello, my question is: If you were given three points on a coordinate plane and asked to determine if they were connected they formed:
a right triangle
a scalene triangle
an equilateral triangle
How could I explain this to a few students? I do have to use slope and distance formula here.
Thank you
Caroline

Click here to see answer by Alan3354(30983)

Question 228684: A corn field has a rectangular area of 40,000 square yards. If the length is 200 yards more than twice the width, find the dimensions of the field.
Click here to see answer by solver91311(16872)

Question 228927: Find the length of the shorter leg of a right triangle if the longer leg is 6 feet more than the shorter leg and the hypothenuse is 6 feet less than twice the shorter leg.
Click here to see answer by edjones(7569)

Question 229104: about triangle....
IF B IS TWICE AS LONG AS A AND B/C=4/5
WHAT IS THE PERIMETER OF THE TRIANGLE IF A=4 METERS?????????
Click here to see answer by Alan3354(30983)

Question 229354: the measures of the angles in a triangle are in the ratio 2:3:4. describe how to use algebra to find the measures of the angles. then find the measure of each angle.
Click here to see answer by checkley77(12569)

Question 229565: HELLP!!!!!!!!!! How do you find the height of a similiar triangle???? I have not seen this since 1985!!! One triangle in C A B with the ht being 5 ft and angle C B being 9 ft. The other triangle is F D E with F E being 11 ft.I need to determine the Height of FG from DEF.I would like to try and figure it out myself but I don't know how to and the book for this class (HA-HA) is useless.There are no examples in this book!I have been up all night trying to figure this out!!!
Click here to see answer by stanbon(57250)

Question 229788: find area of 4 right triangles if area of 1 is 30 squar inches.
Click here to see answer by ly12603(44)

Question 229811: what is the value of x if 35 degrees and 100 degrees are the vertices along with x in an isosceles triangle?
Click here to see answer by solver91311(16872)

Question 229995: One leg of a right triangle is three times as long as the other. Write the lengthof the hypotenuse as a function of the shorter leg.
a) c = (something i can't read)(square root of a)
b) c = 2a
c) c = (something i can't read)(square root of 10)
d) c = 10(a squared)
Click here to see answer by Earlsdon(6287)

Question 229739: a triangle has a perimeter of 165 cm. the first side is 65cm less than twice the second side. the third side is 10cm less than the second side. write and solve an equation to find the length of each side of the triangle
Click here to see answer by MLipsky(9)

Question 229722: If a, b, and c are sides of a right triangle, which of the following are also sides of a right triangle? A. The square of each length. Or C. Twice the length?
Click here to see answer by MLipsky(9)

Question 230179: If the perimeter of a triangle is 49 inches, what is the length of each side?
Click here to see answer by Alan3354(30983)

Question 230179: If the perimeter of a triangle is 49 inches, what is the length of each side?
Click here to see answer by solver91311(16872)

Question 230016: 3x+y+2x+40+2y=180 how would i solve this
Click here to see answer by Alan3354(30983)

Question 230293: 5^2=1/2(2)(x)
Click here to see answer by checkley77(12569)

Question 230348: The area of a triangle is 102 m 2 . The base of the
triangle is 17 m. What is the height of the triangle?
Click here to see answer by rfer(12647)

Question 230348: The area of a triangle is 102 m 2 . The base of the
triangle is 17 m. What is the height of the triangle?
Click here to see answer by stanbon(57250)

Question 230346: How do you find the perimeter of a right triangle when all they give me is that one angle equals 60 degrees and the hypotnuse is 48 cm? Thanks for your time
Click here to see answer by rfer(12647)

Question 230376: Which angle could and obtuse triangle have?
A)2 right angles
B)2 acute angles
C)2 obtuse angles
D)2 vertical angles
Click here to see answer by stanbon(57250)

Question 230375: The area of a rectanglar plot is 12,000 square meters. If Kim walks along the diagonal from one corner to the opposiite corner instead of walking along the edges, she walks 60 meters less. What is the length of the diagonal? Thanks!
Click here to see answer by texttutoring(324)

Question 230371: In a plane, line e is parallel to line f, line f is parallel to line g, and line h is perpendicular to line e. which of the following must be true?
A)e parallel g
B)h parallel f
C)g parallel h
D)e parallel h
Click here to see answer by Alan3354(30983)

Question 230429: Earlier today I sent in question 230375, the one about the rectangular plot and the diagonal line. I understand the solution you sent back to me up until you tell me to combine like terms, etc. I really don't know how you got 0=w^2-230w+12000. Could you show me step by step how you got that, you know, like showing me to add something to this side or divide. THanks
Click here to see answer by texttutoring(324)

Question 230460: A right triangle has sides measuring 2x-1, 3x-13, and 3x-4 units. What is the value of x?
I'm thinking I should try to do Pythag's theorem on it like (3x-13)^2 + (2x-1)^2 = (3x-4)^2, but i'm not sure. everytime I do that I always get a different answer. Also, I'm not really sure which equation to use for the legs and which to use for the hypotenuse. Could you help me? Thanks!
Click here to see answer by checkley77(12569)

Question 230539: plz help me to solve this question.....
Q. Three points have coordintes A(4,13), B(9,3) and C(10,8).Find the equation of
(a) the line AB
(b) the line through C perpendicular to the line y-4x=5.
the line through C meets the line AB at point P.Calculate the coordinates of P
and the ratio AP:PB

Click here to see answer by algebrapro18(206)

Question 230579: A triangle is placed in a semicircle with a radius of 2mm as shown below.
Find the area of the shaded region. Use the value for 1,4 and do not round your answer. Be sure to include the correct unit in your answer.

Click here to see answer by Alan3354(30983)

Question 230704: can you help me with this:
2 legs of a right triangle have a total length of 21cm. hypotenuse is 15cm. Find the length of each leg of this right triangle.
Click here to see answer by checkley77(12569)

Question 230848: In trangle ABC, the measure of angle B is 10 degrees larger than the measure of angle A and the measure of angle C is 5 degrees less than three times the measure of angle A. Find the measure of anlge A.
Click here to see answer by rfer(12647)

Question 231127: side a = 15, angle a = 47 degrees
side b = 25, angle b = ?? degrees
side c = ?, angle c = ?? degrees
How do I solved for the unknowns?
Click here to see answer by Alan3354(30983)

Question 231154: the lengths of DG, EF and FG are given in units. The is the area, in square units of Triangle DEG?
DE=12
EF=7
FG=10
Click here to see answer by unlockmath(1599)

Question 231166: The measure of an angle is 21 degrees more than twice its supplement. Find the measure of each angle.
Click here to see answer by user_dude2008(1861)

Question 231168: The base angles of an isosceles triangle are congruent. If the measure of each of the base angles is twice the measure of the third angle, find the measure of all three angles.
Click here to see answer by unlockmath(1599)

Question 231163: The perimeter of the triangle is 126 units. Find the measure of each side.
Click here to see answer by rfer(12647)

Question 231360: In an obtuse triangle, the side opposite the obtuse angle may or may not be the longest side true or false.
Click here to see answer by rfer(12647)

Question 231426: Find the perimeter of a triangle if one side is 11 centimeters, another side is two-fifths the perimeter and the third side is one half the perimeter.
Click here to see answer by unlockmath(1599)

Question 231670: how do i find the equation of the line that contains the median of triangle ABC from point B to side AC?
Click here to see answer by Jeff Gordon(65)

Question 231834: the perimeter of the equilateral triangle is 7 inches less than twice the perimeter of the square..what does that mean?
Click here to see answer by solver91311(16872)

Question 232107: length of two sides of a right triangle are giving calculate the unknown lenght
1.a=15ft., b=20ft.,c=?
2.a=7mi.,b=?.,c=25mi

Click here to see answer by checkley77(12569)

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