# Questions on Geometry: Triangles answered by real tutors!

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 Geometry: Triangles Solvers Lessons Answers archive Quiz In Depth

 Question 421835: The angles of a triangle are 3x, (2x+20), and (5x-40).Find the angles. Show that the triangle is an eqilateral triangle. Click here to see answer by algebrahouse.com(1079)

 Question 422101: I need your help please. I dont understand how to find the perimeter of an isosceles triangle with one side that measures 5ft. and two sides that measure 11ft. each? Click here to see answer by jim_thompson5910(28598)

 Question 422161: I need help on figuring this problem out please. The height of a triangle is three feet longer than the base. The area of the triangle is 44 square feet. Find the height and base of the triangle Click here to see answer by stanbon(57387)

 Question 422308: Is it possible to determine a triangle type if you only know the base and height? Click here to see answer by stanbon(57387)

 Question 422365: In a right triangle find the length of the side not given. b=1 and c= SQRT 5 and a= ? I am not good with these type of problems at all so have no work to show what so ever. Click here to see answer by stanbon(57387)
 Question 422365: In a right triangle find the length of the side not given. b=1 and c= SQRT 5 and a= ? I am not good with these type of problems at all so have no work to show what so ever. Click here to see answer by algebrahouse.com(1079)

 Question 422445: what class does a 225 degree angle belong to? Click here to see answer by stanbon(57387)

 Question 422494: if the three angles are a,b,and y and a=1/6b and y=1/2b,find all angles. Click here to see answer by checkley79(3050)

 Question 422610: a triangle has sides that measure 4 m, 4 m, and 4 m. what are the measures of its angles Click here to see answer by Gogonati(809)

 Question 422608: a triangle has sides that measure 4 m, 4 m, and 4 m, what are the measures of its angles? Click here to see answer by sudhanshu_kmr(1152)

 Question 422613: The measure of one angle of a triangle is 55 degrees. A second angle contains 2/3 as many degrees as the third angle. How many dgrees in the largest angle? Click here to see answer by Gogonati(809)

 Question 422560: A triangle has side lengths 6 cm, 10 cm, 13 cm. What are the side lengths of a similar triangle? Click here to see answer by Gogonati(809)

 Question 422823: Could someone please help me ? Triangle ABC: angle B is 5 times angle A and angle C is 18 degrees than 4 times angle A Find the size of the angles Click here to see answer by htmentor(789)

 Question 422937: which is larger, a triangle with an area of 25 square yards, or a triangle with an area of 25 square meters? Click here to see answer by tutorcecilia(2152)

 Question 422949: in a right triangle there a two acute angles what is there measure Click here to see answer by jim_thompson5910(28598)

 Question 423008: how do i find out if the 3 side lengths are given if it's a right, acute or obtuse triangle? Click here to see answer by jim_thompson5910(28598)

 Question 423137: How would I use the Pythagorean theorem to determine if given measures could be sides of a right triangle? (eg. 12,34,37) Click here to see answer by stanbon(57387)
 Question 423137: How would I use the Pythagorean theorem to determine if given measures could be sides of a right triangle? (eg. 12,34,37) Click here to see answer by jim_thompson5910(28598)

 Question 423124: if a triangle has 5',12',and 13' sides, what is the area in square feet Click here to see answer by richard1234(5390)

 Question 423229: one leg of a right triangle is twice as long as the other leg. the length of the hypotenuse is 20 squared. what is the length of each leg Click here to see answer by oberobic(2304)

 Question 423468: how do you find the area of an equilateral triangle??? thanks... Click here to see answer by scott8148(6628)

 Question 423616: A triangle has an area of 36 square units. Which of the following can be possible lengths for the base and height? (1 point) Click here to see answer by stanbon(57387)

 Question 423816: What is the area of a right triangle with a hypotenuse of 68 millimeters and a leg of 60 milimeters Click here to see answer by nerdybill(6962)

 Question 423818: If an isosceles right triangle has an area of 18, what is the length of the hypotenuse? Click here to see answer by Alan3354(30993)

 Question 423851: What is the perimeter of a rectangle if 3 of its verticles are (5,-2), (-3,-2), and (-3,3)? Click here to see answer by ewatrrr(10682)

 Question 423968: I am asked to find the values of the variables of a 30-60-90 special right triangle. I am given x as the hypotenuse, 10 as the longest side, and 6 as the shortest side. I am confused on how to set it up when only solving for one variable. This is what I first tried: 6/1= x/2= 10/root3. I cross multiplied, then divided and added both answers together to get my final answer. I got a weird answer of 32root3/3. I know this is not right but don't know how to solve correctly. Click here to see answer by linht117(37)

 Question 423980: I am asked the values of the variables in a 30-60-90 special right triangle. I am given 9 as the longer leg, x as the shorter leg, and 3root10 for the hypotenuse. This is what I first tried: 9/root3= 12/root2= x/1. I cross multiplied, then divided and added both answers together to get my final answer. My final answer was 3root10/2. Im confused on how to solve this problem. Click here to see answer by linht117(37)

 Question 423845: find the measure of angle c in triangle abc to the nearest degree if angle a is 38 degrees side a is 15 and side c is 6. Click here to see answer by MathLover1(6638)

 Question 424117: A 40-foot-long escalator rises from the first floor to the second floor. The escalator makes a 30 degree angle with the horizontal. How high above the first floor is the second floor? Click here to see answer by Gersid(33)

 Question 424213: A right triangle has a hypotenuse of 17 inches and a leg of 8 inches. What is the missing leg? Click here to see answer by stanbon(57387)

 Question 424457: A base angle of an isosceles triangle measures 18 degrees. Find the measure of the vertex angle. Click here to see answer by nerdybill(6962)

 Question 424493: two isosceles triangles each have an angle of 40 degrees. Does it follow that the triangles are similar? Click here to see answer by richard1234(5390)

 Question 424749: In a triangle ABC, angle B is 5 times angle A and angle C is 2 degrees less than 4 times angle A. Find the size of the angles: The size of angle A is: The size of angle B is The size of angle C is? Click here to see answer by linh117(31)

 Question 424525: Is it possible for a right triangle to have sides that measure 2 inches, 3 inches and 4 inches? Explain your answer. Click here to see answer by ankor@dixie-net.com(15660)

 Question 424818: The legs of a right truangle have lengths of 14ft and 12ft. Find the area of the triangle. Click here to see answer by stanbon(57387)

 Question 425020: A triangle has a perimeter of 72 units, and two of its sides measure x units and 3x units, respectively. Which inequality represents all possible values of x? Click here to see answer by josmiceli(9697)

 Question 425245: In the triangle at the right, AC = 13 and AB = 18. What is the measurement of angle A to the nearest minute? 1) 43º 76' 2) 43º 80' 3) 43º 45' 4) 43º 46' I haven't been taught this so I don't know how to figure it out. Help would be greatly appreciated. Click here to see answer by richard1234(5390)

 Question 426165: Is the triangle right, acute, or obtuse? Given the cooridinates J(-2,2), O(-1,-1), N(-4,-2) The distance between JO=sqrt10, ON=sqrt10, JN=sqrt20 Click here to see answer by ewatrrr(10682)

 Question 426228: which set cannot represent the sides of a triangle {4,5,6} {5,5,11} {7,7,12} {8,8,8} Click here to see answer by stanbon(57387)

 Question 426412: one angle of a triangle is a right angle. another angle of the triangle is three times the smallest angle. what are the measures of all the angles? Click here to see answer by edjones(7569)

 Question 426408: Find the area of a triangle with base = 1 3/4 inches and height = inch 5/7 Click here to see answer by edjones(7569)

 Question 426491: The base of a triangle is 3 less than the height. The area of the triangle is 20. Find the base of the triangle Click here to see answer by Gogonati(809)

 Question 426565: In a triangle, the middle length side is 3 more than the shortest side, and the longest side is double the middle length side. The perimeter of the triangle is 45 cm. What are the lengths of the sides? Click here to see answer by shree840(260)

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