Questions on Geometry: Triangles answered by real tutors!

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Question 942603: IN TRIANGLE KLH, < K = 40 DEGREES AND < K > < L. whAT IS THE SMALLEST SIDE OF THE TRIANGLE?

Click here to see answer by Edwin McCravy(20054)

Question 942684: Please help me solve this: the three angles in a triangle are in the extended ratio 3:9:12, Find each.
Click here to see answer by TimothyLamb(4379)

Question 942809: Suppose the measures of the two legs of a right triangle differ by 2 inches and that the hypotenuse is 2 inches longer than the longer leg. Find the measures of the three sides.
Click here to see answer by Fombitz(32388)

Question 942964: why is it impossible to draw an isosceles triangle with one angle that measures 52 degrees and a second angle that measures 74 degrees

Click here to see answer by stanbon(75887)

Question 942972: In triangle DEF , angle D=80 and angle E is 3 times angle F. Find the measure of both angles.
Click here to see answer by macston(5194)

Question 943019: Hi, Im im in the pre-algebra class my teacher gave us a question stating. The are of an right iscolece triangle is 12 squared. What is the approximate length of each of the equal sides she told me this would be solved by an equation.Please help what equation would be needed to solve this problem.
Click here to see answer by lwsshak3(11628)

Question 943012: In triangle ABC, the degree measure of angle A is 20 degree greater than the degree measure of angle B. Angle C is a right angle. What is the measure of angle B?
Since a triangle is 180 & c is 90 the other two sides get split therefore 45 but A is 20 degree more so B should be 25. Is this right
Click here to see answer by ankor@dixie-net.com(22740)

Question 943227: what do you do with the Sin, Con, and Tan to get the measurements of a triangle?
Click here to see answer by MathLover1(20849)

Question 943233: The largest angle of a triangle is 40� larger than the second angle, which is three times the size of the smallest angle. What are the sizes of the three angles of this triangle?
Click here to see answer by rfer(16322)

Question 943386: the lengths of the sides of a triangle are 18, 12, and 9 units. find the length of the sides of a similar triangle whose perimeter is 52
Click here to see answer by Fombitz(32388)

Question 943691: if one side of a triangle is one third the perimeter the second side is one fifth the perimeter and the third is seven meters find the perimeter of the triangle
Click here to see answer by MathTherapy(10551)

Question 943754: Hello i have a math problem that I'm finding hard to solve, im class 9th so i would like to know a solution for this exercise (I'm a student on Albania i hope the translation is OK)
The problem:
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On a triangle the base is equal to 60 cm. Height and medial on the base are 12 cm and 13 cm. Find the triangle's side legs.
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Someone help me!!
Click here to see answer by stanbon(75887)

Question 943775: How do you find degree y of a right triangle whose hypotenuse is n (square root 5), adjacent is 2n and opposite side is n.
Click here to see answer by Theo(13342)

Question 943838: if the lengths of the sides of one triangle are 2 inches 5 inches and 7 inches respectively in the shortest leg of a similar triangle is 4 inches what is the perimeter of the second triangle in inches?
Click here to see answer by richard1234(7193)

Question 943816: In the triangle below, side BC is 12 units long and side AC is 15 units long. If angle < C is 60 degrees, then what is side AB-squared?
A. 64
B. 81
C. 189
D. 369
E. 549
I tried using the Rule of Cosines, but I'm not getting any of the answer choices.
I did: AB-squared = AC-squared + BC squared - 2(AC)(BC)cos60
(AB)^2 = (15)^2 + (12)^2 - 2(15)(12)cos60
For (AB)^2 = 711.8686
Click here to see answer by MathLover1(20849)

Question 943687: One side of triangle is 3 times the shortest side. The third side is 20 feet more than the shortest side. The perimeter is 90. Find all three sides.

Click here to see answer by rheak(1)

Question 943915: An isosceles triangle has two sides of equal length. The length of the third side is 1 ft less than twice the length of one of the equal sides. Find the length of each side when the perimeter is 24 ft.
Click here to see answer by macston(5194)

Question 944002: an equilateral triangle has a perimeter in meters of 6a + 9. what is an expression in simplest form for the length of each side in meters
Click here to see answer by rothauserc(4718)

Question 944005: A triangle has two sides of length 8 and 2. What is the smallest possible whole-number length for the third side?
Click here to see answer by Edwin McCravy(20054)

Question 944204: Find the area of triangle ABC to the nearest tenth, if necessary. Side BC= 7yd CA=11yd
Click here to see answer by macston(5194)

Question 944323: A triangle has one angle that measures 69� and one angle that measures 21�.
What kind of triangle is it?

Click here to see answer by macston(5194)

Question 944354: Find the area of the isosceles triangle 10in 10 in 16 in.
Click here to see answer by jim_thompson5910(35256)

Question 944390: The two longer sides of a triangle measures 16 and 22. Which of the following is a possible length of the shortest side?
Click here to see answer by stanbon(75887)

Question 944353: The captain of a ship spots the top of a lighthouse at a 6 degree angle of elevation . The lighthouse is on the edge of the shore and is 50 ft tall . To the nearest foot , how far is the ship from shore ?
Click here to see answer by Alan3354(69443)

Question 944530: An isosceles triangle whose non-equal side is double the length of each of the equal sides. Can this happen
Click here to see answer by macston(5194)

Question 944553: If two sides of a triangle are 9 feet and 20 feet, what is the range of values for the missing side?
Click here to see answer by josgarithmetic(39617)

Question 944573: I don't know how to do these problems. The given lengths are two sides of a right triangle. All three side lengths of the triangle are integers and together form a Pythagorean triple. Find the length of the third side and tell weather it is a leg or the hypotenuse. 30 and 40 or 15 and 36, if I could even get one example on how to do them that would be appreciated as I have 8 others to do besides these two.
Click here to see answer by josgarithmetic(39617)

Question 944675: An equilateral triangle has a height of 26cm. What is the length of each side of the triangle in radical form?
Click here to see answer by amarjeeth123(569)

Question 944840: A triangle has a base that is the same length as it's height. the area of this triangle is 36 meters squared. find the equal base and height measure
Click here to see answer by macston(5194)

Question 944846: How many empty cones of radius 1 and height of 1 will fill the volume of an empty sphere with radius 1

Click here to see answer by Fombitz(32388)

Question 944858: find the area of the isosceles triangle with side lengths 14 inches,25 inches,and 25inches

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Question 944858: find the area of the isosceles triangle with side lengths 14 inches,25 inches,and 25inches

Click here to see answer by Alan3354(69443)

Question 944903: If the area of the triangle is approximately 22 square miles, what is the approximate height of the triangle?
Click here to see answer by Alan3354(69443)

Question 945128: Two sides of an isosceles triangle have lengths of 2 inches and 5 inches, respectively. Find the length of the third side. explin reasoning
Click here to see answer by macston(5194)

Question 945158: If the length of a is 16 centimeters, the length of b is 10 centimeters, and the measure of ∠C is 22�, what is the length of c? Round your answer to two decimal places.
Click here to see answer by Fombitz(32388)

Question 944771: Fill in the blank. If the shortest leg of a 30-60-90 triangle has length 12, the length of the hypotenuse is __________.
Click here to see answer by Fombitz(32388)

Question 944753: the area of two similar triangles are equal to 25cm^2 and 81cm^2. find the ratio of pair of corresponding sides.
Click here to see answer by Fombitz(32388)

Question 945295: The base of an isosceles triangle is 3 more than 2 times the length of the legs and the perimeter is 23. What is the length of the base?

Click here to see answer by lwsshak3(11628)

Question 945360: A triangle cannot have both an acute angle and a right angle?

Click here to see answer by macston(5194)

Question 945137: an equilateral triangle is drawn by joining the midpoints of the sides of another equilateral triangle. a third equilateral triangle is drawn inside the second one joining the midpoints of the sides of the second equilateral triangle, and the process is continued indefinitely. find the sum of all perimeters of all equilateral triangles, if the side of the largest equilateral triangle is 24?
Click here to see answer by KMST(5328)

Question 945247: The lengths of the bases of an isosceles trapezoid are 7 and 15 inches. Each leg makes an
angle of 45� with the longer base. Find the length of the legs of the trapezoid.
Click here to see answer by Fombitz(32388)

Question 945419: true or false. the measures 10,12,16 can be side lengths of a traingle

Click here to see answer by stanbon(75887)

Question 944478: If the perimeter of the triangle ABC is 84 then what is the perimeter if the triangle DEF?
Click here to see answer by Fombitz(32388)

Question 945457: What is the area of ΔWXY? Round your answer to the nearest whole number.______ mi2
https://lh4.ggpht.com/_Zw9IIvtgdtFfijjhiEG9Z6j9c_ewt2QcnuhinE45fjpiPBkpOg-eWVinGRdlqE46fbA64w=s170
Click here to see answer by MathLover1(20849)

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