# isosceles triangle

7,042 results

Math
The hypotenuse of a right triangle is 23 cm long. Find possible measures for the legs of the triangle. Round to the nearest hundredth. Justify your answer

math
1.the vertices of triangle abc are A(2, -5) B(-3,5) C(3, -3). the trianlge is reflected over the x-axsis. use the arrow notation to discribe the origanal triangle and its reflection.

Math
The areas Of Two Similar Triangle Are 144cm & 81cm . If One Of The First Triangle 6cm, What Is The Legth Of The Correspoding Side Of The Secod?

maths need help
find the radius of a circle that is the tangent to all the three side of the triangle ABC given that the triangle hve lenght 7,24 and 25 help?

Analytic Geometry
The line segment joining a vertex of a triangle and the midpoint of the opposite side is called the median of the triangle. Given a triangle whose vertices are A(4,-4), B(10, 4) and C(2, 6), find the point on each median that is two-thirds of the distance from the vertex to ...

math
The longest side of a triangle is six more units that the shortest side. The third side is twice the length of the shortest side. If the perimeter of the triangle is 25 units, write and solve an equation to find the length of all three sides of the triangle.

maths
Choose three options which are true: a) an angle of 150 degrees is equivalent to 2pie/3 radians. b) Cos 0 = cos (0 – pie/2) for al values of 0. c) Sin 0 = cos (0 – pie/2) for all values of 0. d) If triangle ABC has a right angle at B, then sin A = cos C e) In any triangle ...

algebra
One more triangle question,please. In this triangle,the short leg is x and the longer leg is 1/2x + 11. If the hypotenuse is 2x + 1, what are the lengths of each side of this right triangle? Please show all calculations. Short leg = ______ Long leg = ___________ Hypotenuse = ...

Al
Factoring to solve quadratic equations: Find the value of x as it relates to the triangle. Area = 600 cm^2 There is a large triangle that is divided by a 90 degree angle in the middle. That 90 degree angle line is "x" and the complete bottom of the large triangle is "2x +2". ...

MATH
The ratio of two angles of a triangle is 3:2.The remaining angle is the smallest which is half the largest angle of the triangle. What is the measure of smaller angle of a parallelogram if sum of both smaller angles of the triangle is equal to the larger angle of the ...

trig
A plane is flying 225 mph heading South 25°West. The wind is blowing South 80°East at 60 mph. What is the bearing of the plane? What is the smallest angle of the triangle? What is the largest angle of the triangle? What is the remaining angle of the triangle? What is the ...

PHYSICS
explorers in the jungle find an ancient monument in the shape of a large isosceles triangle. the monument is made from tens of thousands of small stone blocks of density 3 800 kg/m^3. the monument is 15.7 m high and 64.8 m wide as its base and is everywhere 3.6m thick from ...

The square and triangle have the same perimeter 12cm.Each figure is made up of sides of equal measure.How long is each side of the triangle ?

Maths
Triangle ABCis right angled at a .AD is perpendicular to BC.If AB=5cm,BC=13cm and AC=12cm,Find the area of triangle abc .Aiso findthe length of AD.

Math
Bren sets the table. He takes a square napkin and folds it in half. He makes a triangle. What two names can you use to describe the triangle?

Math
1. The lengths of the three sides of a triangle are given. Classify each triangle as acute, right, or obtuse. NUMBERS: 30, 40, 50. I'm confused by this question, could someone help/explain what it is asking.

physics
3 masses m1, m2, and m3 are kept at vertices of an equilateral triangle a, b,c respectively. find the moment of inertia when triangle is rotated about an altitude passing through m1

Maths
A scalene triangle cd also be acute or rat angled or obtuse angle triangle .please say tru e or false Ans according to me is yes

honors geometry
find the area of an isosceles triangel with hypothenues 18

math
is a triangle with sides 7-7-7 a right triangle

30-60-90 triangle
The hypotenuse of a 30-60-90 triangle is 10. Find the perimeter. How do i do that?

math
can a right triangle be a scalene triangle?

algebra
triangle 1 is 6,16,32 triangle 2 is 9,24 h they are similar how do i find h?

M.I.G
Can a right-angled triangle be an isoscele triangle?

math
if the angle of a triangle are in a ratoi 5:5:8 what is the triangle

math
Is a triangle with sides of 25,20, 15 a right triangle?

math
an isolation triangle has a base of 6 units and a height of 12 units. find the maximum possible area for a rectangle that is inscribed in the triangle and has one side resting on the base of the triangle. what are the dimensions of the rectangle of maximum area?

calculus
P /|\ / | \ / | \ on this side there is an / | \ arc with A(θ) in the / | \ middle. the B(θ) /θ | B(θ)\ triangle is not equal O -------------- R to the θ triangle. Q the figure shows a setor of a circle with central angle theta. Let A(θ) be the ...

maths
In a triangle ABC, AB = 2 cm, BC = 3 cm and AC = 4 cm. Choose the two options which give a triangle PQR which is similar to triangle ABC. Options: A. PQ = 1 cm, QR = 2 cm and PR = 3 cm. B. PQ = 1 cm, QR = 1.5 cm and PR = 2 cm C.PQ = 2.5 cm, QR = 1.5 cm and PR = 3 cm. D. PQ = 6...

6th G Math
The school pep squad members wanted to make rectangular spirit flags with bases of 7 inches and heights of 8 inches. Each flag is divided evenly into a red triangle and a white triangle. How much fabric would be needed to make the white triangle for 100 spirit flags?

math
The sides of a triangle are in the extended ratio 2 6 7. If the perimeter of the triangle is 45 inches, then what is the length of the shortest side? A. 2 inches B. 3 inches C. 6 inches*** D. 12 inches The measures of the angle of a triangle are in the extended ratio 17 16 12...

The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the center? (Diagram shows equilateral triangle with 500g masses at each point, the...

math
The hypotenuse of a right triangle measures 10m. One leg of the triangle is 2m longer then the other. Find the lengths of the legs. How would you solve this equation?

Geometry
How do you prove that the sum of distances to a point from the interior of an equilateral triangle is equal to the height of a triangle, therefore it is invariant and that a parrallelogram's angular bisectors from a rectangle.

MATH
APPLY THE RULE [1.5X, 1.5Y] TO THE VERTICES OF TRIANGLE TO GET TRINGLE PQR. COMPARE THE CORRESPONDING MEASUREMENTS[SIDE LENGTHS, PERIMETER, AREA, ANGLE MEASURES] OF THE TRIANGLE

physics
3 identical charges each having charge 10 coulomb are placed at the corners of an equilateral triangle of side 20cm find the electric field at the centre of triangle

Math
The vertices of ΔABC are A(2, –5), B(–3, 5), and C(3, –3). The triangle is reflected over the x-axis. Use arrow notation to describe the original triangle and its reflection. a. A(2, –5), B(–3, 5), C(3, –3) --> (2, –5), (–3, 5), (3, –3) b. A(2, –5...

Auburn Hugh School
The hypotenuse (side C) of a triangle is 13 inches long. Which of the following pairs of measurements could be correct for the lengths of the two sides of the triangle? (Note:A^2 + B^2 = C^2)

Pre-Algebra
"Triangle LMN has L at (1,-1) and M at (2,3). Triangle L'M'N' has L' at (-1,-1) and M' is at (3,2). Describe the transformation." This question is really tripping me up. I even tried putting it on a graph to solve it, but I just can't. PLEASE HELP!!!!!

There are two triangles one large and one small. Write an expression in simplest form for the perimeter of each triangle. Large triangle left side says 4x+2 top says 7x+7 bottom days 5x-4. Small triangle left side says x+3 top says 2x-5 and bottom says X+7. How do I write an ...

Physics 30
A point charge q=+4.7nC is placed at each corner of an equilateral triangle with sides of 0.21m in length. a) What is the magnitude of the electric field at the midpoint of the three side of the triangle? b) Is the magnitude of the electric field at the centre of the triangle ...

geometry
An isosceles trapezoid has bases of 4 and 10. If the base angle is 45°, find the area.

geometry
Find the perimeter of an isosceles trapezoid with base lengths of 10 and 18 and height of 8.

geometry
Find the perimeter of an isosceles trapezoid with base lengths of 10 and 18 and height of 8.

geometry
Isosceles trapezoid ABCD has legs AB and CD and base BC If AB = 7y – 4, BC = 4y – 6, and CD = 8y – 18, find the value of y.

geometry
this diagram show isosceles trapezoid QRST. What is the length , in units of _ QS when Q x-1 and 2x-2

Army school math
Area of isosceles tringle if base is 6 cm and perimeter is 26 cm

math
Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB is it 15?

Find the area of the shaded region. the outter shape is a rectangle and the inside shape is a triangle everything but the triangle is shaded now the numbers are 18 (on left side of rectangle) and 28 (on the bottom) the wide part of the triangle on the inside of the rectangle ...

Geometry
Which statement is true? A. The altitude drawn to the leg of a right triangle forms two triangles that are similar to each other and to the given triangle. B. The altitude drawn to the hypotenuse of a right triangle forms two triangles that are similar to each other and to the...

Geometry
Which statement is true? A. The altitude drawn to the leg of a right triangle forms two triangles that are similar to each other and to the given triangle. B. The altitude drawn to the hypotenuse of a right triangle forms two triangles that are similar to each other and to the...

Math
In triangle ABC, D bisects side BC, G bisects side AB, and the points E and F trisect side AC. What is the area of the shaded polygon, if the area of ABC is 108? I tryed to find the area of triangles on the side and I figured that if you put a line from the top of the triangle...

Math
In triangle ABC, D bisects side BC, G bisects side AB, and the points E and F trisect side AC. What is the area of the shaded polygon, if the area of ABC is 108? I tryed to find the area of triangles on the side and I figured that if you put a line from the top of the triangle...

1. Bruce, an appliance salesman, earns a commission of \$50 for each washing machine he sells and \$100 for each refrigerator. Last month he earned \$500 in commissions. Find all possibilities for the number of each kind of appliance he could have sold. 2. Luis has 95 cents in ...

Physics
Three equal charges q form an equilateral triangle of side a. Find the potential at the center of the triangle. Express answer in terms of the variables a, q and Coulomb constant k.

physics
An equilateral triangle has sides of 0.15 m. Charges of -9.4, +8.0, and +2.5 µC are located at the corners of the triangle. Find the magnitude of the net electrostatic force exerted on the 2.5-µC charge. each cahrge has X10^-6 btw

Physics
3 charges sit on vertical equilateral triangle the side of each is 30.0 cm. if the triangle are A= +4.0 uC B=+5.0 uC and C=+6.0 uC (clockwise from top) what is the force on each charge? Can someone please explain me in detail i am really confuse :(((

math problem triangle inequality help
Two sides of a triangle are 11 and 17. How many possible lengths are there for the third side, if it is a positive integer? I tried listing them all but I get confused...Please help thank you!

math,trigonometry
solve each triangle described below using Δ ABC : 1)a = 10, A = 16°, B = 49° 2)a = 8, b = 7, A = 88° I don't know how to do this i forgot ... could u help (Steve, or Mrs.Sue, or Writeteacher plz help) this topic is Oblique triangle

Math
Create a word problem about a triangle in any sports field. Write measures of all sides. Find area of the triangle by using Heron's formula

Maths
The points A(1,5) and B(9,3) are part of a triangle ΔABC. The triangle has a right angle at A and and sides satisfy AB=2AC. Find a point C such that C lies above the line AB.

maths
The points A(1,5) and B(9,3) are part of a triangle ΔABC. The triangle has a right angle at A and and sides satisfy AB=2AC. Find a point C such that C lies above the line AB.

Maths
One of the formulas to find the area of a triangle is a = r*s. Where the r is the radius of the circle inscribed the triangle, and s being the semi perimeter. (s = p/2) Prove that the same formula works for a square.

Geometry
One side of a triangle is 15 inches, and the area of the triangle is 90 square inches. What is the area of a similar triangle in which the corresponding side is 9 inches?

math
show that the triangle with verticies A(8,5) B(1,-2) C(-3,2) is a right triangle, and find its area. the answer to the area is : 28. please show me how to show its a right triangle, thanks!

In triangle ABC, D bisects side BC, G bisects side AB, and the points E and F trisect side AC. What is the area of the shaded polygon, if the area of ABC is 108? I tryed to find the area of triangles on the side and I figured that if you put a line from the top of the triangle...

math
triangle abc is reflected over the y-axis. What are the coordinates of the reflected triangle? Describe in words what happens to the x-coordinates and y-coordinates of the original triangle's vertices as a result of this reflection? I can't figure out how to describe what ...

maths
Choose three options which are true: a) an angle of 150 degrees is equivalent to 2pie/3 radians. b) Cos 0 = cos (0 – pie/2) for al values of 0. c) Sin 0 = cos (0 – pie/2) for all values of 0. d) If triangle ABC has a right angle at B, then sin A = cos C e) In any triangle ...

Math
Need help on the problem below. Tommy drew a triangle. Which information will enable you to draw a triangle that is congruent to Tommy's triangle? a. 2 given sides b. 2 given angles c. 2 given sides and 1 given angle d. 3 given angles Thanks....

Look at the given triangles. they both have a right angle. blue: 4x+2, 7x+7, 5x-4 red: x+3, 2x-5, x+7 A. write an expression in simplest form that shows the difference between the perimeter of the larger triangle (that's the blue one) and the perimeter of the smaller triangle...

Math
If the hypotenuse of a right triangle is 13 and one of its legs is 5, find the area fo the triangle. Answer Choices 20 40 45 30 25 I know a hypotenuse the side of a right triangle opposite the right angle. You can't multiply the hypotenuse with one of the legs.

math
in a triangle, the measure of the first angle is twice the measure of the second.the measure of a third triangle is 64 degrees more than athe measure of the second angle. Use the facts that the sum of the measures of the three angles of a triangle is 180 degrees to find the ...

Update Math Question
The area of triangle B is 64 times greater than the area of triangle A.The perimeter of triangle B is how many times greater than the perimeter of triangle A? how many times greater than the perimeter of triangle A? A. 8 times greater B.64 times greater C.128 times greater D....

Maths-Vectors Assistance PLZZ!
Prove that the vectors u=3i+j-2k , v= -i+3j=4k, and w=4i-2j-6k can form the sides of a triangle They will form a triangle if they are linearly dependent, that is, if (3,1,-2)= m(-1,3,4) + n(4,-2,-6) from which we get 3 equations in two unknowns. -m + 4n = 3 #1 3m - 2n = 1 #2 ...

math
Plz explain to me how to do this : The angles of an equilateral triangle are congruent. If x represents the measure of one angle of an equilateral triangle which equation represents the sum of the angle measures of the triangle A. x+x=90 degrees B.x+x+x=90 degrees C.x+x=180 ...

geometry
in an isosceles triange with base angles at (0,0) and (7,0), how do I find the coordinates of the 3rd angle?

geometry
if the isosceles trapezoid is dilatede with a factor 0.5,what is the area of dialation in square yards?

Calculus
The hypotenuse od a right triangle is 12cm in lenht. Calculate the measures of the unknown angle in the triangle that will maximize its perimeter? I got the formula P= 12(1 + sin0 + cos0) and A= 12sin0cos0, but i don't know what to do next.

math
apply the rule (1.5x, 1.5y) to the vertices of triangle ABC to get triangle PDR. Compare the corresponding measurements (side lengths, perimeter, area, angle measures) of the two triangles.

math
Apply the rule (2x, 0.5y) to the vertices of triangle ABC to get triangle FGH. Compare the corresponding measurements (side lengths, perimeter, area, angle measures) of the two triangles.

Help!!!!!!!!!
Calculate Triangle G°, free energy change, that occurs when 12g of Shila react with excess And at 298k according to the following reaction: N2(g)+3H2(g)<======>2NH3(g) Triangle G°=-34KJ/mole

Math (Trig)
Find the indicated ratios in the triangle. Right triangle with a height of 2.56cm length of 4.65cm and hypotenuse of 5.31cm a. tan A b. cos C c. sin C How do I figure this out?

geometry
in triangle lmn altitude lk is 12cm long through point j of lk is a line drawn parallel to ms, dividing the triangle into two region with equal areas find lj

Math
Create a word problem of your own about a triangle in any sports field. Write measures of all sides. Find area of the triangle by using Heron's formula.

Maths (really hard)
The points A(1,5) and B(9,3) are part of a triangle Î”ABC. The triangle has a right angle at A and and sides satisfy AB=2AC. Find a point C such that C lies above the line AB.

Math
Alberto is painting a large triangle on one wall of his bedroom the base of the triangle is 4ft and height is 8ft it takes 0.2 quart of paint to cover 1 square foot

Math
If the hypotenuse of a right triangle is a=3cm, so A=90 degrees, and the square of the sum of the other two sides is 17, what is the area of the triangle? so basically, (b+c)^2=17 I think you are supposed to use trigonometry to solve it but I don't know how.

Math
Two triangles are similar. The measure of the shortest side of the first triangle is 12 and the measure of the shortest side of the second triangle is 5. If the longest side of the first triangle measures 15, what is the measure of the longest side of the second triangle? A.2....

math
Can someone please help me with the following problems Determine if the triple numbers are can be sides of a right triangle? sqrt(10)sqrt(13)sqrt(23) The length of thy hypotenuse of a right triangle equals the length of one of legs of the triangle A) always true B) sometimes ...

Geometry
A triangle is enlarged by a factor of 3. The perimeter of the new triangle is 36 feet. What could be the lengths of the sides of the original triangle? A. 3 feet, 4 feet, and 5 feet B. 1.5 feet, 1.25 foot, and 1.25 foot C. 2 feet, 0.5 feet, and 1.8 feet D. 4 feet, 4 feet, and ...

Math
1. What is the remainder when 2^190 is divided by 5? How do I approach these questions; do I write it down on paper, or use my calculator(how do I see the remainder?)? 2. Figure: A large right triangle, shortest base in on the ground, shorter height is vertical, longest ...

Physics
The three 500 g masses in the daigram are connected by massless, rigid rods to form a triangle. What is the triangle's rotational energy (in J) if it rotates at 1.50 rev/s about an axis through the center? (Diagram shows equilateral triangle with 500g masses at each point, the...

logic
the rectangle represented the AB side is 4cm the side BC is 6 cm i want to build a triangle taking the AB segment and the third vertice inside the triangle so his area becomes higher than 8 cm*cm. the area in cm*cm of the region of the rectangle in which can be chosen the ...

logic
the rectangle represented the AB side is 4cm the side BC is 6 cm i want to build a triangle taking the AB segment and the third vertice inside the triangle so his area becomes higher than 8 cm*cm. the area in cm*cm of the region of the rectangle in which can be chosen the ...

Intermediate Algebra
The base of the triangle is 5 cm greater than the height. The area is 33 cm^2. Find the height and the length of the base. The height of the triangle is ___ cm The base of the triangle is ___ cm

math
A circle is inscribed in triangle ABC with sides a, b, c. Tangents to the circle parallel to the sides of the triangle are constructed. Each of these tangents cuts off a triangle from ∆ABC. In each of these triangles, a circle is inscribed. Find the sum of the areas of ...

Geometry
A right triangle and a square share a side. The hypotenuse of the triangle measures 10 cm. One base of the triangle measures 4 cm. Neither the known base nor the hypotenuse is the side that is shared with the square. Find the area of the square.

math plz help my last chance to do this homework
a) write an expression in simplest form for the perimeter of each triangle. b)write another expression in simplest form that shows the difference between the perimeter of the larger triangle and the perimeter of the smaller triangle.

maths
Triangle ABC has area [ABC]=468. D,E and F are the midpoints of BC,CA and AB, respectively. Points P,Q and R are defined such that P is the incenter of AEF, Q is the incenter of BFD, and R is the incenter of CDE. What is [DREPFQ]? Details and assumptions [PQRS] denotes the ...

Math: Geometry
isosceles trapezoid ABCD is shown below with a line ef drawn through its center. Of the isosceles trapezoid is dilated using a scale factor of 1/2 and a line is drawn through the center of the new dilated figure, what relationship will that line have with line EF? An image ...

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