# Questions on Geometry: Triangles answered by real tutors!

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 Geometry: Triangles Solvers Lessons Answers archive Quiz In Depth

 Question 289936: What is the height of an obtuse isosceles triangle with an area of 85 square inches and a height of 20 inches? Click here to see answer by richwmiller(9144)

 Question 290049: Solve for all possible triangles that satisfy a=9, b=13, measure of angle b=67 degrees. Round all values to the nearest tenth. I know it is a lot of work, so i did part of it already :] Since you know 2 sides and an angle. I can use law of sine to find a second angle. Since all the interior angles of a triangle is equal to 180 degrees, I can find the third angle. After this, I'm not too sure how to find the possible "multiple" types of triangles there are. Please help! Thank-you! Click here to see answer by dabanfield(803)

 Question 290186: the length of the hypotenuse of an isosceles right triangle is 8.2 centimeters. find the perimeter of the triangle to nearest tenth. Click here to see answer by stanbon(57984)

 Question 290185: Which is the best approximation of the perimeter of a right isosceles triangle ifits hypotenuse is 12 units long? Click here to see answer by solver91311(17077)

 Question 290281: A 30-60-90 triangle has a hypoteneuse of 10. Use special right triangle formulas to find the long side. Show your work. Click here to see answer by jim_thompson5910(28717)

 Question 290404: The area of an equilateral triangle is 16 (square root) 3 square units. Find the altitude. Click here to see answer by stanbon(57984)

 Question 290330: i'm doing SOH CAH TOA it uses sin, cos and tan my teacher trys to explain were everything goes but i just get confused. my question is how do you set it up? and when doing the equation how do you know when to put either the x over the number or the number over the x? for example: a ladder is leaning on a building the ladder is 18 ft from the building and the angle of the ladder from the ground is 22. Click here to see answer by stanbon(57984)

 Question 290460: The sides of a triangle are consecutive multiples of 4. Its perimeter is 72. Find the length of its shortest side. (a) 5 (b) 20 (c) 23 (d) 24 (e) 28 Click here to see answer by subudear(55)
 Question 290460: The sides of a triangle are consecutive multiples of 4. Its perimeter is 72. Find the length of its shortest side. (a) 5 (b) 20 (c) 23 (d) 24 (e) 28 Click here to see answer by richwmiller(9144)

 Question 290515: Hello, We are given a triangle ABC. BC=1m,AC=6,6m and angle C=60degrees. We draw a segment BD From B cutting AC on point D.The angle CBD=90degrees. The triangle CBD is then rectangle on B. We are asked to find out the angle ABD. I hope I am being clear so far. So far, I've found out: CBD is a triangle rectangle with C=60degrees then angle D=30degrees. Also, BC=1m then CD=2m and BD=rt3m. The angle ADB= 180-30=150 degrees and AD=AC-CD=6,6-2= 4,6cm. So I know that the triangle ADB has angle =150degrees, BD=rt3m and AD=4,6m. That is where I stop. Thanks in advance for your help. Click here to see answer by richwmiller(9144)

 Question 290649: If two triangles are similar how do i fond the value of the variable Click here to see answer by richwmiller(9144)

 Question 290642: The sides of a triangle measure 4, 7, and 9. find the shortest side of a similar triangle whose permeter is 30. Click here to see answer by edjones(7569)

 Question 290781: when you know the side lengthof a tringle,how can you tell if it is a right angle tringle?use examples in your explanation. Click here to see answer by richwmiller(9144)

 Question 290779: If the diagonal of a square is 5 inches, find the length of one side. Click here to see answer by checkley77(12569)

 Question 290915: If the lengths of a triangle are tripled, is the area also tripled? Click here to see answer by Deina(147)

 Question 291034: find the area of a triangle with sides of length 7 and 9 and included angle of 72 degress Click here to see answer by Greenfinch(383)

 Question 291142: the hypotenuse of a right triangle is 22m long the length of one leg is 10 m less than the other find the length of the legs Click here to see answer by unlockmath(1614)

 Question 291331: construct a square equal to the sum of the two given squares Click here to see answer by Edwin McCravy(8999)

 Question 291376: What can you say about the lengths of the other sides of the larger triangle? Try to find all possibilities. Click here to see answer by Alan3354(31538)

 Question 291614: If BE = 5 cm, BF = 7 cm, and EF = 8 cm, find the perimeter of triangle BAC Click here to see answer by Alan3354(31538)

 Question 291886: The diagram shows the dimensions of a triangle field next to a school. to estimate the number of wildflowers growing in the field, students counted a total of 36 flowers in a randomly selected 3-feet-by-4-feet rectangular section. Assuming the section is a representative sample of the entire field, approximately how many flowers are in the entire field? P.S. They give you a triangle that's a 30,60,90 triangle with a base of 300 ft, the height of 200 ft, but no hypotenuse Click here to see answer by richwmiller(9144)
 Question 291886: The diagram shows the dimensions of a triangle field next to a school. to estimate the number of wildflowers growing in the field, students counted a total of 36 flowers in a randomly selected 3-feet-by-4-feet rectangular section. Assuming the section is a representative sample of the entire field, approximately how many flowers are in the entire field? P.S. They give you a triangle that's a 30,60,90 triangle with a base of 300 ft, the height of 200 ft, but no hypotenuse Click here to see answer by Alan3354(31538)

 Question 291885: What is the perimeter of a triangle whose sides measure 15 cm, 17 cm, and 10 cm? Click here to see answer by rfer(12731)

 Question 292072: the hypotenuse of a 30-60-90 triangle measures 2 feet. how long is the short leg of this triangle? Click here to see answer by richwmiller(9144)

 Question 292149: on a right triangle side A has a lenghth of 6 inches.Angle Y is 45 degrees. What is the length of the hypotenuse. I know the other missing angle is 45 degrees. I used the sin function on my calculater with 45 degrees and came up with 17.97 inches. Im not shure if this is right or weather i should use the second power function as well. Please help. Click here to see answer by stanbon(57984)

 Question 292144: If side A of a right triangle has a length of 12 m, and angle Y is 12 degrees what is the length of side b. side b is the base and side a is the highth. I used the function sin on my calculater with 12 degrees and got an anser of 11.737 m but im not shure if this is right Click here to see answer by stanbon(57984)

 Question 292233: in an isosceles triangle, two sides are equal. the third side is two less than twice the length of the sum of the two sides. the perimeter is 40. what are the lengths of the three sides. Click here to see answer by richwmiller(9144)

 Question 292345: Find the largest angle, to the nearest tenth of a degree, of a triangle whose sides are 9cm, 12 cm and 18 cm. Click here to see answer by Edwin McCravy(8999)

 Question 292378: The sum of two numbers is 20, and the sum of their squares is 208. Find the numbers. Click here to see answer by Alan3354(31538)

 Question 292482: Can you calculate the value of x in a right triangle with legs of x and 2x-1 and a hypoyenuse of 2x-1? I have tried the pythagorean theorem but x = 0. I don't think it works because the leg and the hypotenuse are the same. Thanks. Click here to see answer by richwmiller(9144)

 Question 292549: The lengths of two sides of a triangle are 12 miles and 19 miles. Which set of lengths could represent the possible length of the third side, t? Click here to see answer by Fombitz(13828)
 Question 292549: The lengths of two sides of a triangle are 12 miles and 19 miles. Which set of lengths could represent the possible length of the third side, t? Click here to see answer by jim_thompson5910(28717)

 Question 292595: The area of a base is 144 square centimeters. The height is 12 cm. Find the volume. Click here to see answer by Alan3354(31538)

 Question 292604: A rectangle's length is 37.5 and the diagonal is 42. What is the height? Click here to see answer by checkley77(12569)

 Question 292598: The base of the right triangle D is 8 cm and the height is 6c. Find the perimeter. Click here to see answer by checkley77(12569)

 Question 292681: triangle abc im trying to find x line ac=15 line cb=20 angle c=90 whats line ab Click here to see answer by scott8148(6628)

 Question 292763: Find the area of a triangle whose sides measure, 13 feet, 13 feet, and 10 feet. Click here to see answer by dabanfield(803)

 Question 293218: In an isosceles triangle, there are two sides, called legs, with the same length. The third side is called the base. If an isosceles triangle has a perimeter of 345 and a base of 85cm, what is the length of each side? Click here to see answer by Earlsdon(6294)

 Question 293217: the area of the rectangle below is 40. WHat is the perimeter Width: x+3 Length: x+6 Click here to see answer by Earlsdon(6294)

 Question 293575: the triangle has a peremiter of 30 what is its area? Click here to see answer by stanbon(57984)

 Question 293605: If the length of one leg in a right triangle is three times the length of the other and the hypotenuse is 20, find the length of the shorter leg. I know it's somewhere between 6-7. Please show me how to solve it as well! Click here to see answer by scott8148(6628)

 Question 293742: what is the height of a triangle with base 24mm and area 132mm^2 Click here to see answer by Deina(147)

 Question 293864: find the range for the measure of the third side given the measures of 5 and 11 for the other two sides. Click here to see answer by Alan3354(31538)

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