# Questions on Geometry: Triangles answered by real tutors!

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 Geometry: Triangles Solvers Lessons Answers archive Quiz In Depth

 Question 303677: one angle of a triangle measures 12 degrees. the second angle's measurement is five times the third. what is the measure of the third angle? Click here to see answer by graphmatics(170)

 Question 303747: how can you tell that a triangle with side lengths of 9,12 and 15 is a right triangle Click here to see answer by jim_thompson5910(29613)
 Question 303747: how can you tell that a triangle with side lengths of 9,12 and 15 is a right triangle Click here to see answer by mzyuhnique(1)

 Question 303682: the height of a triangle is 18 inches. find the length of the base if the area of a triangle is 63 square inches. Click here to see answer by london maths tutor(243)

 Question 303800: i need to find the altitude of the isoceles triangle. They gave me theda=52 degrees and b=4 inches Click here to see answer by Alan3354(34679)

 Question 303903: my queston is.... WHAT IS THE SMALLEST PERIMETER Click here to see answer by richwmiller(10283)

 Question 304002: If the legs in a right triangle are 1 and root 2 what is the hypotenuse? Click here to see answer by mananth(13129)
 Question 304002: If the legs in a right triangle are 1 and root 2 what is the hypotenuse? Click here to see answer by richwmiller(10283)

 Question 304028: The three sides of a right-angled triangle are proportional to the numbers 3,4, and 5. Find the length of each side knowing that the area of the triangle is 24m^2. Click here to see answer by edjones(7794)

 Question 304505: the base of a triangle is 2x + 2m, and the area is 2x squared-x-3m squared. Squared obviously means the little square sign at the top of the number. I couldn't get it on properly. I know the formula is 1/2 base times height for the area of the triangle. How much longer is the base than the height?? Click here to see answer by checkley77(12569)

 Question 304842: a triangle has sides with measures 39,82,59,. Classify the triangle by its side Click here to see answer by Claire.123(5)

 Question 305008: Which list could not be the measures of lengths of the three sides of a given triangle? 2 ft, 6 ft, 5 ft 12 yd, 35 yd, 20 yd 5 cm, 12 cm, 15 cm 11 mi, 4 mi, 12 mi ?? Click here to see answer by Alan3354(34679)
 Question 305008: Which list could not be the measures of lengths of the three sides of a given triangle? 2 ft, 6 ft, 5 ft 12 yd, 35 yd, 20 yd 5 cm, 12 cm, 15 cm 11 mi, 4 mi, 12 mi ?? Click here to see answer by richwmiller(10283)

 Question 305007: Find the x for the similar right triangles. Click here to see answer by richwmiller(10283)

 Question 305113: I am given triangle. The altitude is drawn and it splits the base into lengths of 7 and 14. It wants to know the length of the altitude. Seems like there is something missing but no other information is given. Click here to see answer by dabanfield(803)

 Question 305297: In a triangle, one angle is 6 degrees more than the second angle. the third angle is 18 degrees more than the second angle. Find the measure of each angle. Click here to see answer by mananth(13129)

 Question 305300: the second angle of a triangle is two times as large as the first. The third angle is 15 degress less than the sum of the other two angles.Find the measure of the first angle Click here to see answer by mananth(13129)

 Question 305438: If the sum of the measure of two angles in a triangle is 86, then the measure of the third angle must be Click here to see answer by london maths tutor(243)

 Question 305506: find the length of the median from A to BC, in triangle ABC with A(4,6), B(-5,-3), and C(-5,13). Click here to see answer by graphmatics(170)

 Question 305476: in a triangle DEF DE=5 and EF=8. if the length of the thrid side is an integer, what is the greatest possible value for DF Click here to see answer by checkley77(12569)

 Question 305638: The hypotenuse of a right triangle is 25. If the altitude from the right angle to the hypotenuse is 12, what is the length of the longest segment it forms on the hypotenuse? Click here to see answer by solver91311(18785)

 Question 305681: If the measure of one angle of a triangle is three times another and the third angle is twenty degrees larger than the measure of the smaller of the two angles, what is the measure of all the angles of the triangle? Click here to see answer by mananth(13129)

 Question 305767: Triangle ABC has sides measuring 2, 3, and r.Which of the following is a possible value of r? a) 0.5 b) 1 c) 2 d) 5 e) 6 Click here to see answer by themathtutor2009(81)

 Question 305690: the two shortest sides of a right triangle are 10 in. and 24 in.long.what is the lengh of the shortest side of a similiar rigt trangle whose two longest sides are 36 in. and 39 in. Click here to see answer by Fombitz(13828)

 Question 306195: Triangle PRS has an area of 68 square yards. If the height is 8 yards. Find the base. Click here to see answer by Fombitz(13828)

 Question 306734: I need to know how to find what B equals using the Pythagorean Theorem. a=52 b=? c=86 Click here to see answer by nerdybill(7090)

 Question 306862: Tell wether a triangle can have the following side lengths: 4 in 7 in 11 in Click here to see answer by richwmiller(10283)

 Question 306945: what is the range of values for the sum of the angles of a triangle on a sphere? Click here to see answer by solver91311(18785)

 Question 307077: The three sides of an equilateral triangle measure x + 12, 2x - 5 and 3x - 22 inches. The sides of the triangle measure Click here to see answer by nerdybill(7090)

 Question 307194: If one side of a triangle is 10 and the other side is x and an angle of the triangle is 35 degrees.. what formula do i use to find x? Click here to see answer by solver91311(18785)

 Question 307163: if the hyoptenuse of a triangle measures 40, one leg is 15, what is the length of the other leg? Click here to see answer by mananth(13129)

 Question 307230: find the hypotenuse of a right triangle with sides 4in and 3in . how do yu do this ? Click here to see answer by mananth(13129)

 Question 307389: i dont understand how to find the apothem of a triangle.? Click here to see answer by unlockmath(1657)

 Question 307397: the measure of the shorter parallel side of B is 6 inches and that of the longer side is 8 inches. the height of that figure is 10 inches. what is the area? Click here to see answer by rapaljer(4670)
 Question 307397: the measure of the shorter parallel side of B is 6 inches and that of the longer side is 8 inches. the height of that figure is 10 inches. what is the area? Click here to see answer by unlockmath(1657)

 Question 307467: What is the approximate measure of acute angle A when tangentA=0.698 Click here to see answer by Alan3354(34679)

 Question 307655: how do i find x degrees of a right triangle using sine or cosine Click here to see answer by Alan3354(34679)

 Question 307806: Write the equation of the line containing the points (-4, 1) and (5, 2). Click here to see answer by mananth(13129)

 Question 307804: Find the equation of the line passing through (-1, -3) and perpendicular to y = -2x + 3. Click here to see answer by mananth(13129)

 Question 307914: The length of the hypotenuse of a right triangle is centimeters and the length of one side is centimeters. What is the exact length of the third side? Click here to see answer by Fombitz(13828)

 Question 307982: if two angles of a triangle measure 40 degrees and 70 degrees, what is the measure of the third angle? Click here to see answer by rapaljer(4670)

 Question 307977: find the area of a triangle with base 21 inches and height 8 inches Click here to see answer by rapaljer(4670)

 Question 307973: the sum of two angles in a triangle totals 117 degrees, waht is the measure of the third angle? Click here to see answer by rapaljer(4670)