Questions on Geometry: Triangles answered by real tutors!

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Geometry: Triangles

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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(5072)

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(7072)

Question 232478: howto find the area of the 45-45-90 triangle with a hypotenuse of 24?
Click here to see answer by rfer(2688)

Question 232478: howto find the area of the 45-45-90 triangle with a hypotenuse of 24?
Click here to see answer by Earlsdon(4900)

Question 232609: how do you find the circumcenter of an obtuse triangle
Click here to see answer by solver91311(5072)

Question 232671: The lengths of two sides of a triangle are 15 in.each.The third side measures 10 in.What type of triangle is this?Explain your answer using geometric terms.
Click here to see answer by checkley77(7072)

Question 232756: which is the measure of the 3rd angle of a triangle if the 1st is 85 degrres and the 2nd is 35 degrees.
Click here to see answer by rfer(2688)

Question 232760: A triangle has a perimeter that is 47 cm. If side A is 3 less than twice the length of side B and side C is twice side A, what is the length of each side?
Click here to see answer by solver91311(5072)

Question 232762: A triangle has a perimeter that is 47 cm. If side A is 3 less than twice the length of side B and side C is twice side A, what is the length of each side?
Click here to see answer by rfer(2688)

Question 232727: can you find the lengths of the equal sides of an isosceles triangle knowing the base length is 4 inches
Click here to see answer by edjones(3298)

Question 232771: A right triangle has a hypotenuse c=12.6 and a leg b=8.5. What does leg a approximately equal?
Click here to see answer by rfer(2688)

Question 232866: Find the area of trianle ABC if a=40ft., b=25ft. and C=30degrees.
Click here to see answer by Alan3354(6092)

Question 233201: if a particular right triangle has two equial side, this would be >>> - a 30-60-90 right triangle, b 45 degree right triangel, c 40-50 right triangle, or d 20-70 right triangle. thanks
Click here to see answer by rfer(2688)

Question 233286: The length of the base of a scalene triangle is 6 inches. The height of the triangle is 13 inches. Find the area of the triangle.
Click here to see answer by rfer(2688)

Question 233326: My rise is 76 the run is 195 the degree of the triangle is 22.5 what is the length of the hypotenuse?
Click here to see answer by rfer(2688)

Question 233355: find the perimeter and the area of a right triangle if one leg measure 12 mi and the other leg measure 16 mi
Click here to see answer by rfer(2688)

Question 233481: The measure of the first angle of a triangle is 43°. The measure of the second angle is 36°. What is the measure, in degrees, of the third angle?
Click here to see answer by rfer(2688)

Question 233631: The solution of: 3(x-3)≥15 is [?,∞)

I am thoroughly stuck on this problem! Any assistance on how to go about solving this problem so that I have a better understanding of how to do this next time is greatly welcomed! Thanks!
-b
Click here to see answer by nerdybill(2446)

Question 233616: If an angle of a triangle remains unchanged but each of its two including sides is doubled, then the new area divided by the old area is
(a) 2 (b) 3 (c) 4 (d) 5 (e) more than 6

Click here to see answer by Theo(675)

Question 233749: what is 200% of 7
Click here to see answer by user_dude2008(716)

Question 233817: Is the sum of any two angle measures in an acute triangle greater than 90 degrees a statement that is always, sometimes, or never true and why?
Click here to see answer by stanbon(26290)

Question 233823: In an isosceles triangle, the angles oppsite the sides of equal measure are equal in measure. Is that statement always, sometimes, or never true and why?

Click here to see answer by Alan3354(6092)

Question 234011: At a distance of 100m, the angle of elevation to the top of a tree is 28 degrees. about how tall is the tree?
Click here to see answer by nyc_function(260)

Question 234188: Given two sides with lengths 34 and 14, which of these lengths would NOT work for the third side of a triangle? 18, 34, 44, 22, 40
Click here to see answer by stanbon(26290)

Question 234188: Given two sides with lengths 34 and 14, which of these lengths would NOT work for the third side of a triangle? 18, 34, 44, 22, 40
Click here to see answer by Edwin McCravy(2922)

Question 234188: Given two sides with lengths 34 and 14, which of these lengths would NOT work for the third side of a triangle? 18, 34, 44, 22, 40
Click here to see answer by MathTherapy(336)

Question 234222: a rectangle is 2 feet long and 1.5 feet wide,, what is the distance if you measure it diagonally?
Click here to see answer by Alan3354(6092)

Question 234222: a rectangle is 2 feet long and 1.5 feet wide,, what is the distance if you measure it diagonally?
Click here to see answer by solver91311(5072)

Question 234222: a rectangle is 2 feet long and 1.5 feet wide,, what is the distance if you measure it diagonally?
Click here to see answer by checkley77(7072)

Question 234479: What is the area of the triangle with vertices (1, 4), (3, 1) and (11, 1)?

Click here to see answer by Edwin McCravy(2922)

Question 234565: To find the distance between AB across the pond one student suggest picking any point c, connecting with B, and then finding point D such as angle DCB is congruent to ACB and DC is congruent to AC. How and why does this help find the distance AB?
Click here to see answer by nyc_function(260)

Question 234640: Triangle has sides of 18 cm, 29 cm, and 47 cm. What is the area to the nearest cm square?
Click here to see answer by solver91311(5072)

Question 234650: If there is an equilateral triangle, and there is an equation for each side, how do you find x and y? the equations are 5y-1, 6x-1 and 3x+2y
Click here to see answer by solver91311(5072)

Question 234712: find the measure of each angle. angle a= xº angle b= 2xº and angle c= (2x+15). how do you solve for each?
Click here to see answer by solver91311(5072)

Question 234891: A side of a square is 16in. The midpoints of its sides are joined to form an inscribed square. Another square is drawn in such a way that its vertices would also lie at the midpoints of the sides of the second square. This process is continued infinitely. Find the sum of the areas of these infinite squares.
>>I don't have any idea to solve this one. Please show how you solve it. Thanks

Click here to see answer by Theo(675)

Question 235243: I wanted to know how to find the perimeter of a triangle that has a number inside of the triangle?
Click here to see answer by Alan3354(6092)

Question 235428: How many sq.ft. are in a triangle 30ft. high with a 100ft. base ?
Click here to see answer by checkley77(7072)

Question 235436: I know all the angles of a right triangle and the length of the hypotenuse. Can I find the lenth of both sides, if so how? In this prob. the angles are 60, 30 and 90 and the hypotenuse is 5 cm, but I would like to be able to solve this for any lenth hypotenuse.
Click here to see answer by Alan3354(6092)

Question 235485: two angles of a triangle measure 15 degree and 85 degree. what is the measure for the third angle?
Click here to see answer by stanbon(26290)

Question 235586: how to find and angle bisector on a triangle
Click here to see answer by solver91311(5072)

Question 236211: i have a project and its says that plot the points, they gave 3 ordered pairs and i plot it in a graph paper. I connected the dots forming a triangle. Then, the follow up question I didn't understand is "Find the lengths of each side of the resulting triangle." it's about distance formula if i have to use the distance formula for the 3 ordered pairs
Click here to see answer by stanbon(26290)

Question 236245: a triangle has an interior degree of 1/2x degrees at top, it show both sides as being congruent, what is the degrees of y?
Click here to see answer by stanbon(26290)

Question 236269: If you know the coordinates of all the vertices of two triangles, is it always possible to tell whether the triangles are congruent? Explain.
Click here to see answer by stanbon(26290)

Question 236627: A triangle has a perimeter of 84 cm. each of the 2 longer sides of the triangle is 3 times as long as the shortest side. Find the length of each side of the triangle.
Click here to see answer by stanbon(26290)

Question 236768: If u have a isosceles triangle with one side on the bottom left as (4x-28)and ur exterior angle is 9x how do u solve it ?
Click here to see answer by nyc_function(260)

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