Questions on Geometry: Triangles answered by real tutors!

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Question 974736: 1. The ratio of angle measures in a triangle is 5:12:19. What is the measure of the smallest angle?
2. What is the value of X?
x+3/12 = 6/x-3

Click here to see answer by harpazo(655)

Question 974770: In a triangle ABC if BC = AC and angle ∠B = 50�, find value of angle ∠C.

Click here to see answer by Jamie-L(5)

Question 974850: The hypotenuse of a right triangle is 39 ft long. The length of one leg is 21 ft more than the other. Find the lengths of the legs.
Click here to see answer by Boreal(15235)

Question 974850: The hypotenuse of a right triangle is 39 ft long. The length of one leg is 21 ft more than the other. Find the lengths of the legs.
Click here to see answer by rfer(16322)

Question 974868: What is the measurement of the third side of the triangle, this other two sides are 3x+3y
Click here to see answer by Alan3354(69443)

Question 974811: proff that if aline intersects two parallel line than their alternate angles are equal
Click here to see answer by harpazo(655)

Question 974948: Based on the diagram above, a student determined the hypotenuse of the triangle to be 6 ratio 3. Determine if the student's answer is correct. If it is not correct, find the correct length.
In a 30�-60�-90� triangle, the length of the hypotenuse is 30. Find the length of the longer leg.
In a 45�-45�-90� triangle, the length of the hypotenuse is 11. Find the length of one of the legs.

Click here to see answer by Boreal(15235)

Question 974828: ΔABC is similar to ΔDEF. The ratio of the perimeter of ΔABC to the perimeter of ΔDEF is 1 : 10. If the longest side of ΔDEF measures 40 units, what is the length of the longest side of ΔABC ?
2 units
4 units
16 units
30 units

Click here to see answer by harpazo(655)

Question 974985: Find the hypotenuse of each isosceles right triangle when the legs are of the given measure.
Given = 6 square root of 2

Click here to see answer by Alan3354(69443)

Question 975061: If the lengths of an isosceles triangle are 9.4 and 16, find the angles to the nearest degree.

Click here to see answer by Edwin McCravy(20054)

Question 975070: In a right angled triangle, the hypotenuse is 6 cm longer than the shortest side. The third side is the average of the other two. How can I know what the other two are?
Click here to see answer by Alan3354(69443)

Question 975123: An isosceles Triangle whose base is 20 cm and each of its side is 26 cm long find its Height and Area.
Click here to see answer by farohw(175)

Question 974983: Find the hypotenuse of each isosceles right triangle when the legs are of the given measure.
Given = 3 square root of 2

Click here to see answer by Alan3354(69443)

Question 975346: How do I find the height of an scalene triangle, where not angle degrees are provided, only the following side dimensions?: The base=14cm, the longest side=15cm and the shortest side=13cm
Click here to see answer by josgarithmetic(39613)

Question 975359: The area of an isosceles triangle is 12 cm^2 . If one of of its equal side is 5 cm,then its base is equal to?
Click here to see answer by Boreal(15235)

Question 975349: The sides of a triangle are 35cm,54cm,61cm respectively . Then the length of of its longest altitude is?
Click here to see answer by Edwin McCravy(20054)

Question 975453: A isosceles triangle ABC has A= 45 degree angle and b=c=3 what is the length of a squared ?
Click here to see answer by amarjeeth123(569)

Question 975491: The lengths of the sides of a triangle are 12cm,5cm,13cm.find the length of the perpendicular from opposite vertex to side 13cm long.
Click here to see answer by josgarithmetic(39613)

Question 975492: The perimeter of a right triangle is 60 cm .Its hypotenuse s 26cm. find the other two sides and the area of the triangle.
Click here to see answer by josgarithmetic(39613)

Question 975492: The perimeter of a right triangle is 60 cm .Its hypotenuse s 26cm. find the other two sides and the area of the triangle.
Click here to see answer by solver91311(24713)

Question 975697: The 200m fencing is used to form a triangular plot in the corner of the allotments with two walls being used as two sides (right angle triangle).
As before, you experiment with different dimensions until you find the maximum area which can be enclosed.
Your results are based on 200m as stated above but you have developed a formula for each situation so that the area can be calculated whatever the length of fencing used.
Click here to see answer by josgarithmetic(39613)

Question 975726: Please solve:
In an Equilateral triangle with each side 8cm. Overlapping the triangle there are circular arcs, each of radius 2cm are drawn as shown below. Calculate the total arc lengths of the curved shape.
This is the diagram, you just need to put the numbers in: https://fbcdn-sphotos-f-a.akamaihd.net/hphotos-ak-xat1/t31.0-8/11536418_580827295391051_3659053882599517983_o.jpg

Click here to see answer by Alan3354(69443)

Question 975788: Are all equilateral triangles similar and why?
Click here to see answer by MathLover1(20849)

Question 975724: In an Equilateral triangle with each side 8cm. Overlapping the triangle there are circular arcs, each of radius 2cm are drawn as shown below. Calculate the total arc lengths of the curved shape.

Click here to see answer by Alan3354(69443)

Question 975865: GEOMENTRY August 2013
Question 20
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Question 975872: 1.A triangle ABC has vertices A(1; 3) ; B (1;��2) and C (-4;-2) :
Which of the following is/are true?
A, d(B,C)=square root 41
B, C= 90 Degrees
C,The midpoint of the hypotenuse is (-3/2,1/2)
2,
The circle with equation x2 + y2 �� 2x + 4y = 0 has centre C and radius r; where
C=? R=?
3.The diameter of a circle has endpoints P (0; 0) and Q(8;��4) : The equation of the circle is?
Click here to see answer by Alan3354(69443)

Question 974319: Triangle ABC is similar to triangle MNP. Angle C is a right angle. AC = 5, BC = 12, and AB = 13. Find sin(M).
Click here to see answer by tommyt3rd(5050)

Question 971256: If two angles of one triangle are congruent to two angles of another triangle, then the triangles are ???
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Question 976119: (GEOMETRY)

CONSIDER A REGULAR NONAGON....
2) Calculate he sum of interior angles in a regular octagon

Click here to see answer by solver91311(24713)

Question 976119: (GEOMETRY)

CONSIDER A REGULAR NONAGON....
2) Calculate he sum of interior angles in a regular octagon

Click here to see answer by Alan3354(69443)

Question 976051: How do I solve for the length and width of a triangle using the area in terms of the variable x? P.S the area given is 2x(squared)+2x-12=0.
Click here to see answer by josgarithmetic(39613)

Question 976215: A lot is in the shape of a right triangle. The shorter leg measures 150 m. The hypotenuse is 50 m longer than the length of the longer leg. How long is the longer leg?
Click here to see answer by Loon Bajracharya(1)

Question 976295: A community wants to build a baseball diamond . The available space is limited. So the distance from home plate to second base will be 100 feet. What will be the distance x between bases to the nearest foot?
Click here to see answer by FrankM(1040)

Question 976479: Each of two sides of an isosceles triangle is two times as large as the third side .if the perimeter of the triangle is 20 m,find each side of the triangle
Click here to see answer by Alan3354(69443)

Question 976465: The area of ABC is 2.5 square inches. If side AB is considered the height of the triangle, what is the length of the base?

Click here to see answer by Alan3354(69443)

Question 976454: what is the measure of
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Question 976589: In a triangle, the second angle is twice the measure of the first, and the third angle is three times the measure of the second. Find the measure of the third angle.

Click here to see answer by ankor@dixie-net.com(22740)

Question 976691: To measure the height of a lighthouse, two sightings are taken, one 50 feet directly behind the other. If the first angle of elevation is 53* and the second is 48*, what is the height of the lighthouse. Find the exact answer and then use the calculator to approximate the answer, rounded to the nearest foot.
Click here to see answer by josgarithmetic(39613)

Question 976893: which triangle is x + 2, X -1 ,60

Click here to see answer by Alan3354(69443)

Question 976966: If the hypotenuse of an equilateral triangle is 8 ft 4 in. What is the length of the sides?
Click here to see answer by Alan3354(69443)

Question 977102: What is the length of the hypotenuse in a right angle with 19.75" legs?
Click here to see answer by josgarithmetic(39613)

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