Questions on Geometry: Triangles answered by real tutors!

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Question 548738: I don't understand this problem please help.
Which set of integers cannot be lengths of the sides of a triangle?
1) {3,4,5}
2) {3,4,4}
3){2,3,4}
4) {3,1,1}
Click here to see answer by KMST(5328)

Question 548801: Find to the nearest degree the measure of the angle of elevation of the sun when a student 170 centimeters tall casts a shadow 170 centimeters long.
Explain it too please.
Click here to see answer by scott8148(6628)

Question 548798: From the top of a lighthouse 50 meters high, the angle of depression of a boat out at sea has a measure of 15 degrees. Find to the nearest meter the distance from the boat to the foot of the lighthouse which is at sea level.
Explain too please
Click here to see answer by scott8148(6628)

Question 549451: If an isosceles right triangle has an area of 98cm. What would the length of the hypotenuse be?
Click here to see answer by TutorDelphia(193)

Question 549457: solve for x and find the missing dimension
Triangle
Area:155 square units
height:10 units
Base:3x +10

Click here to see answer by TutorDelphia(193)

Question 549578: how do you find the sides of an isoscoles traingle with area of 10
Click here to see answer by solver91311(24713)

Question 549483: if the angle of a triangle are in ratio 2:3:7 then the sides are in ratio of?
Click here to see answer by Alan3354(69443)

Question 549683: the length of the longest side of a triangle is double that of the next longest side and 19cm greater than the shortest side. The perimeter is 41cm. What is the shortest side
Click here to see answer by mananth(16946)

Question 549709: Triangle RST is isosceles with base RS. If RT = 5x-4, ST = 3x+4, and RS = 2x+9, find the lengths of the sides of the triangle.
Click here to see answer by mananth(16946)

Question 549646: How do you find the perimiter simalrity ratio when alll your given is the area for both triangles?
Click here to see answer by KMST(5328)

Question 548650: in an isocles triangle, without any measurements, i have to find the each individual angle, what is a formula i could use?
Click here to see answer by richard1234(7193)

Question 549772: The hypotenuse of a 30-60-90 triangle measures 6 in. What is the length of the longer leg?
Click here to see answer by Alan3354(69443)

Question 549837: is it possible to construct a triangle with side lengths of 11cm, 15cm, and 21cm?
Click here to see answer by mathie123(224)

Question 549918: find the height of a isosceles triangle whose base is 10cm and legs are 20 cm (leave your answer in simplest radical form)
Click here to see answer by KMST(5328)

Question 548639: If a equilateral triangle is inside a rectangle and 1 angle is 12 degrees what is the value of angle x?
Click here to see answer by asuar010(338)

Question 548749: The centroid of a triangle is ____?____ the circumcenter of a triangle.
A. Always
B. Sometimes
C. Never
Click here to see answer by richard1234(7193)

Question 549951: The lengths of the sides of a triangle are 3x, 5x � 12, and x + 20. Find the value of x so that the triangle is isosceles.
Click here to see answer by mananth(16946)

Question 549960: the legs 6 ft and 8 ft what the hypotense
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Question 549961: the legs 12 cm and 5 cm what the hypotenuse
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Question 550014: what is the base angle of an isosceles triangle if the vertex is 20 degrees?
Click here to see answer by jim_thompson5910(35256)

Question 550019: i got your message but the answer wasn't there. my question was:
what is the base angle of an isosceles triangles when the vertex is 20 degrees

Click here to see answer by jim_thompson5910(35256)

Question 549410: geometry a side of an equilateral triangle is 3/8 cm long. draw a picture that shows the triangle. what is the perimeter of the triangle?
Click here to see answer by nyc_function(2741)

Question 549432: the measure of two legs of a triangle are in the ratio 3:4. if the area of the triangle is 54 what are the lengths of the three sides of the trianlge
Click here to see answer by ankor@dixie-net.com(22740)

Question 549465: As the legs of a tripod are spread apart, which theorem guarantees that the angles between each pair of legs get larger?
Click here to see answer by richard1234(7193)

Question 550046: A triangle has base 12 centimeters and 8 centimeters . How much much do you have to increase each dimension equally so that the area is tripled?

Click here to see answer by Alan3354(69443)

Question 548744: use an algebraic equation to solve:
the sides of a triangle are in the ratio 3:4:5. what is the length of each side if the perimeter is 30cm?
Click here to see answer by ankor@dixie-net.com(22740)

Question 550163: how to solve that if one angle of a triangle 120 degree is given and adjacent side lenth is 6cm, now how to find the opoosite side of the 120 degree angle
Click here to see answer by stanbon(75887)

Question 550162: Given the sides of a triangle x+y-6=0; 3x-5y+14=0; 5x-3y-14=0 Express the hieght of this triangle.
Click here to see answer by Alan3354(69443)

Question 550181: Two ships leave from the same location with an angle of 57 degrees between their path. If ship A travels at 36 kph and ship B travels at 42 kph , how far apart are they after 1/2 hour ?
Click here to see answer by ankor@dixie-net.com(22740)

Question 550184: In triangle ABC , angle B = 76 degrees , side a=45cm and side b=53cm . Find angle A
Click here to see answer by 10301650(32)

Question 550184: In triangle ABC , angle B = 76 degrees , side a=45cm and side b=53cm . Find angle A
Click here to see answer by Alan3354(69443)

Question 550250: what is the length of a leg of an isosceles right triangle with a hypotenuse of the square root of 50?
Click here to see answer by Alan3354(69443)

Question 550183: Given the following triangle , find the measure of the smallest triangle. w=33 ; v=51 ; p=45
Click here to see answer by Alan3354(69443)

Question 550189: While golfing , Sahar hits a tee shot from T toward a hole at H , but the ball veers 23 degrees and lands at B. The scorecard says that H is 270m from T. If Sahar walks 160m to the ball (B) , how far is the ball from the hole?
Click here to see answer by ankor@dixie-net.com(22740)

Question 550343: how do I find side x of a triangle with side 95 angle 45 side 110 assume not a right triangle
Click here to see answer by stanbon(75887)

Question 550277: Hi, I am Anubhav and my question is containing a figure so how do I explain it?

Click here to see answer by mananth(16946)

Question 550362: Find the measure of the largest angle of the triangle: angles are. (7x+10); (x+20); (2x)
Click here to see answer by jim_thompson5910(35256)

Question 548752: The altitude from the vertex angle of an isosceles triangle is ____?____ the median?
A.Always
B.Sometimes
C.Never
Click here to see answer by asuar010(338)

Question 550401: if a triangle have vertices (2,3)(3,4)(4,5)then find its area in 9different ways
Click here to see answer by Alan3354(69443)

Question 550441: i want to know the measure of the third angle if they give me two which are x and 20

Click here to see answer by jim_thompson5910(35256)

Question 550437: Triangle abc is an equilateral triangle with side lenghts of 10 inches. what is the length in inches of ad?
Click here to see answer by JBarnum(2146)

Question 550487: I have base length 23 ft and triangle at 89 degree so what is the ht. of the triangle
Click here to see answer by nyc_function(2741)

Question 550572: if the length of three sides are known in a triangle, how to determine the angles within that triangle. . .?
Click here to see answer by mathstutor494(120)

Question 550578: the largest side of a triangle is twice the smallest and the largest angle thrice the smallest. the area of the triangle is 32sqrt(3). What is the length of the largest side
Click here to see answer by solver91311(24713)

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