# Questions on Geometry: Triangles answered by real tutors!

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 Geometry: Triangles Solvers Lessons Answers archive Quiz In Depth

 Question 49288: I need to find the lenght of a hypotenuse (the rope). A flagpole is 45' high. A guy wire is tied from the top to make a 45 degree angle w/the ground. what is the length of the rope? so i know i have 90, 45 & 45 for my angles, & the height is 45'. HELP!! Thanks (this is for my 5th grade son). Click here to see answer by venugopalramana(3286)

 Question 49558: Hi this is a question in my summer review packet. I have forgotton how to figure it out if you could help that would be great. The long leg of a 30-60-90 triangle is 3 inches. find the measure of the other 2 sides. Click here to see answer by checkley71(8403)

 Question 49557: Hi this is a question in my summer review packet. I have forgotton how to figure it out if you could help that would be great. The hypotenuse of a 45-45-90 triangle is 4 centimeters. Find the measure of the legs. Click here to see answer by checkley71(8403)

 Question 49555: This is in my summer review packet and i have forgotton how to solve it. if you could help me out that would be greatly apreciated. thanks a lot! the short leg of a 30-60-90 triangle is 3 inches. Find the measures of the other two sides. Click here to see answer by gsmani_iyer(180)

 Question 50077: if 2 angles of a triangle are the same, what holds true to the other side Click here to see answer by venugopalramana(3286)

 Question 51044: A triangle has sides 3x + 7, 4X - 9 and 5x +6. Find the expression that represents its perimeter. (3 + 4 + 5) x =12x 7 -9 +6 -2 +6 = +4 I'm not sure and confused. Please help me I know it's simple but I'm lost. Thanks, Pat Click here to see answer by checkley71(8403)

 Question 51088: ISBN-0618372628 If both the length and the width of a rectangle are doubled, how many times is the area of the resulting rectangle? Click here to see answer by checkley71(8403)

 Question 51244: HOW DO YOU FIND THE 3RD SIDE DISTANCE OF A TRIANGLE IF YOU ALREADY KNOW THE OTHER 2 SIDE DISTANCES. Click here to see answer by venugopalramana(3286)

 Question 51269: ISBN:0618372628 One angle in a triangle is a right angle and one angle is equal to 30. what is the measurement of the third angle? Click here to see answer by i<3algebra(2)

 Question 51273: isbn 0618372628 Find the perimeter of a right triangle with legs that measure 5cm and 9cm. Click here to see answer by Earlsdon(6287)

 Question 51272: isbn 0618372628 a rectangular vegetable garden has a perimeter of 64 feet. The length of the garden is 20 feet. What is the width of the garden? Click here to see answer by Nate(3500)

 Question 53083: how do i do it an equilateral triangle with sides of 8cm. Click here to see answer by venugopalramana(3286)

 Question 53709: find the area of a triangle with the length of the sides being 4 and the base is 6. Dimensions are in feet. Click here to see answer by problem_bell(2)

 Question 53907: Help I am in college and studying for a test. I don't understand how to do this question??????????/ you have two different triangles. the hypotenuse of the first is 6 inches and the second if 14 inches. which would have the greater area and why? Click here to see answer by venugopalramana(3286)

 Question 53898: I NEED TO FIND THE BASE OF 9IN AND THE HEIGHT OF 2 FT Click here to see answer by checkley71(8403)
 Question 53898: I NEED TO FIND THE BASE OF 9IN AND THE HEIGHT OF 2 FT Click here to see answer by funmath(2925)

 Question 54080: a triangle ABC, with AF = 2FB, BD = EA, and CE = 3, find DC. Click here to see answer by AnlytcPhil(1276)

 Question 54081: The incircle of triangle ABC touches the sides BC, CA, AB at the points X, Y, Z respectively, and YZ is produced to meet BC at K. Show that ((BX)/(CX)) = ((BK)/(CK)) Click here to see answer by tutorcecilia(2152)

 Question 54193: I am working on the midsegments of trapezoids. I have trapezoid FGHI, the midpoints, JK. FG equation is x squared + x - 2. IH equation is x squared +3x -12. The midpoint, JK measurement is 8. I have to find the indicated measure. This is what I have so far, x squared + x - 2 + x squared + 3x - 12= 16 2x squared + 4x - 14 = 16 2x squared + 4x -30 = 0 and this is where I am getting stuck. Click here to see answer by venugopalramana(3286)

 Question 54594: Hi I asked this question before but forgot something How do you figure out the area of an triangle with all sides equal and the only number given is 5 thanks Click here to see answer by tutorcecilia(2152)

 Question 54589: how do you find the area of a triangle when the only given number is 5 Click here to see answer by checkley71(8403)

 Question 56537: The slanted roof on a new house will be shown as 11ft by 20ft how long is the roof from peak to edge? Click here to see answer by tutorcecilia(2152)

 Question 56978: A triangle has 3 sides. 3x +7, 4x - 9, 5x + 6. What is the expression that represents its perimeter? Click here to see answer by rchill(405)

 Question 56964: the ? is determine whether is it posssible to draw a triangle with sides of the given measures.write yes or no and the promble is 15,12,9 Click here to see answer by stanbon(57282)

 Question 57368: how do i find the vaue of x. then classify the triangle by its angles. when one side is a right angle, one is (3x+2) and the last angle is x inside of the triangle what is the meaurment of the exterior angle 1 Click here to see answer by stanbon(57282)

 Question 56966: the ? is determine whether is it posssible to draw a triangle with sides of the given measures.write yes or no and the promble is 15,12,9 Click here to see answer by checkley71(8403)

 Question 57455: Graph the trianlge ABC if it has the vertices A(8,6) B(-4,1) and C(2,-6) graph the triangle. Find the coordinates of J if AJ is a median of triangle ABC. If N has the coordinates (3,-4) is BN an altitude of triangle ABC? Click here to see answer by rcmcc(152)

 Question 57520: Here is the problem I was given and cannot figure out how to start: Draw the locus of P so that AB is the hypotenuse of right triangle APB and A is the vertex of an angle that is less than 45 degrees. Thank you! Click here to see answer by venugopalramana(3286)

 Question 57973: 108. Area of a sail. A triangular sail has as area of x^2+5x+6 square meters and the height of x+3 meters find the length of the sails base. Area = x^2 +5x+6m^2 Click here to see answer by jaya_rohith1@yahoo.com(33)

 Question 58128: Hi. My question is using similar figures. If the ratio of the corresponding sides of two similar triangles are 4:9,and the sides of the smaller triangle are 10cm,16cm, and 18cm, what would be the perimeter of the larger triangle? Thanks for your help! Click here to see answer by stanbon(57282)

 Question 58585: 146. Height of a post. Betty observed that the lamppost in the front of her house cases a show of length 8 feet when the angle of inclination of the sun is 60 degrees. How tall is the lamppost? (In a 30-60-90 right triangle, the side opposite 30 is one-half the length of the hypotenuse) not sure how to solve Click here to see answer by Earlsdon(6287)
 Question 58585: 146. Height of a post. Betty observed that the lamppost in the front of her house cases a show of length 8 feet when the angle of inclination of the sun is 60 degrees. How tall is the lamppost? (In a 30-60-90 right triangle, the side opposite 30 is one-half the length of the hypotenuse) not sure how to solve Click here to see answer by stanbon(57282)
 Question 58585: 146. Height of a post. Betty observed that the lamppost in the front of her house cases a show of length 8 feet when the angle of inclination of the sun is 60 degrees. How tall is the lamppost? (In a 30-60-90 right triangle, the side opposite 30 is one-half the length of the hypotenuse) not sure how to solve Click here to see answer by Edwin McCravy(8893)

 Question 58700: Given: Trianger ABC in plane M; D not is plane M; angle ACB is congruent to angle ABC; angle DCB is congruent to angle DBC name a pair of congruent trianges. Prove that your answer is correct Click here to see answer by taylorjwrencher06(1)

 Question 58941: A triangle with side lengths of 5 cm, 3 cm, and 5 cm is? A. an equilateral triangle B. an obtuse triangle C. an isosceles triangle D. an acute triangle E. a scalene triangle Click here to see answer by tutorcecilia(2152)
 Question 58941: A triangle with side lengths of 5 cm, 3 cm, and 5 cm is? A. an equilateral triangle B. an obtuse triangle C. an isosceles triangle D. an acute triangle E. a scalene triangle Click here to see answer by funmath(2925)

 Question 58943: An isosceles triangle has a perimeter of 82 cm. The lengths of th legs of the triangle are represented by (3x + 2) and ( 5x - 14). Find the length of the base of the triangle? Click here to see answer by checkley71(8403)

 Question 59090: A triangle with three acute angles and no congruent sides is? A. an equiangular triangle B. a right triangle C. an isosceles triangle D.an obtuse triangle E. an acute scalene triangle Click here to see answer by jayanthi(5)

 Question 60527: The question reads: Solve for x. The picture is a triangle with one angle equaling 68 degrees. The second angle is 4x-12. The third angle is the supplemental angle of 12x-136. HaHA Sucks For You!!!! Click here to see answer by GReddy(2)

 Question 61050: could the following lengths form a trinagle? yes or no 1.) 7,5,2 2.) 9,12,13 3.) 12,2,19 Click here to see answer by joyofmath(189)

 Question 61092: In triangle ABC , AB=AC. If there is a point P strictly between A and B such that AP=PC=CB, then angle A = ? Click here to see answer by venugopalramana(3286)

 Question 61532: write down the gradient of: the line parallel to the line with the equation y=3x-2 the line perpendicular to the line with equation y=3x-2 If P is point (-1,3) and Q is the point (-3,7) find the equation of the line that passes through P and Q. The points A and B have co-ordinates (a,a^2) and (2b,4b^2) respectively. determine the gradient of line AB in its simplest form. Click here to see answer by tutorcecilia(2152)

 Question 61683: THE SECOND ANGLE OF A TRIANGLE IS TWO TIMES AS LARGE AS THE FIRST.THE THIRD ANGLE IS 10DEGREES MORE THAN THE SECOND ANGLE. FIND THE MEASURE OF THE FIRST ANGLE. Click here to see answer by joyofmath(189)
 Question 61683: THE SECOND ANGLE OF A TRIANGLE IS TWO TIMES AS LARGE AS THE FIRST.THE THIRD ANGLE IS 10DEGREES MORE THAN THE SECOND ANGLE. FIND THE MEASURE OF THE FIRST ANGLE. Click here to see answer by funmath(2925)

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