Thursday

September 3, 2015
Number of results: 6,453

**geometry**

Use SAS (Side-Angle-Side congruence) to explain why triangle WXY congruent to triangle WZY
*December 1, 2010 by phoebe*

**GEOMETRY **

Name the property that justifies this statement: If AB = BA, then segment AB is congruent to segment BA. A )Addition Property of Equality B) Reflexive Property of Congruence C) Symmetric Property of Congruence D) Transitive Property of Congruence
*October 10, 2014 by TEEEEAAA *

**congruence**

What is the difference between the statements segmentAB is congruent to segmentCD & AB is congruent to CD Thanks No difference. Congruence is congruence. A=B B=A
*November 3, 2006 by Jen*

**math**

How would a congruence transformation affect the perimeter of a triangle.
*October 15, 2009 by Trisha*

**geomentry**

what are the 7 classifications of triangles( SAS, SSS,etc.) and 5 triangle congruence postulates?
*December 10, 2009 by christina*

**math**

Explain how the triangle similarity postulates and theorems are alike and how they differ from triangle congruence postulates Name something with a height that would be difficult to measure directly. Describe how you could measure it indirectly
*January 25, 2008 by help plz*

**geometry**

which triangle congruence theorem explains why all triangles are rigid? is it SSS, SAS, ASA, or AAS?
*December 15, 2011 by Brianna*

**Math**

Consider the congruence 6x=15(mod 21). How many solutions does the congruence have? What are all the solutions?
*August 2, 2012 by Shay*

**Congruence-creating a triangle**

Three segments are given. I need to draw one segment with the same length as any one of the given segments. Then take the measure of another given segment with my compass and draw a cirlce of that radius from the endpoint of my first segment. The question is: 1. What is true ...
*November 4, 2006 by Jen*

**Precalculus**

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special cases in which...
*February 24, 2014 by John*

**Trigonometry/Geometry**

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special cases in which...
*November 19, 2013 by Sam*

**GEOMETRY AGAIN**

THIS IS ANOTHER QUESTION I HAVE BEEN STUCK ON FOREVER. I THINK IT REQUIRES TOO MUCH THINKING. PHILLIP WALKED 100 YARDS TO THE EAST WHILE SHONDRA WALKED 155 YARDS TO THE SOUTHEAST. MEANWHILE, 200 YARDS TO THE NORTH, JOSE WALKED 155 YARDS TO THE WEST AND LUYIN WALKED 100 YARDS ...
*November 20, 2007 by alan*

**MATH**

Figures that correspond under a translation, rotation, or reflection are said to be translation congruent, rotation congruent, or reflection congruent. Position two congruent figures on a piece of paper to satisfy each combination of congruences listed. Use tracing paper, ...
*August 28, 2009 by Anonymous*

**geometry**

Figures that correspond under a translation, rotation, or reflection are said to be translation congruent, rotation congruent, or reflection congruent. Position two congruent figures on a piece of paper to satisfy each combination of congruences listed. Use tracing paper, ...
*October 24, 2009 by jeng*

**algebra2**

you are creating a window display at a toy store using wooden blocks. the display involves stacking blocks in triangular forms. you begin to display with 1 block, which is your first "triangle," and then stack three blocks, two on the bottom and one on the top, to get the next...
*October 12, 2011 by jaydene*

**Math**

Triangle L'M'N' is a dilation of triangle LMN. If the scale factor of the dilation is 1/5, which of the following statements is true? Triangle L'M'N' is a rotation of triangle LMN. Triangle L'M'N' is the same size as triangle LMN. Triangle L'M'N' is a reduction of triangle LMN...
*May 8, 2014 by Anonymous*

**Math**

A triangle has 2 angles that measure 60 each. Which of the following best describes thiz triangle. A. Right isoseles triangle B. Equilateral triangle C. Obtuse isosceles triangle D. Acute scalene triangle
*March 2, 2011 by Help*

**Trigonometry/Geometry - Law of sines and cosines**

In most geometry courses, we learn that there's no such thing as "SSA Congruence". That is, if we have triangles ABC and DEF such that AB = DE, BC = EF, and angle A = angle D, then we cannot deduce that ABC and DEF are congruent. However, there are a few special cases in which...
*November 21, 2013 by Sam*

**math**

if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x-15, the triangle is 1)an isosceles triangle 2)a right triangle 3)an acute triangle 4)an equiangular triangle
*May 30, 2008 by derek*

**math**

if the measures of the angles of a triangle are represented by 2x, 3x-15, and 7x+15, the triangle is 1)isosceles triangle 2)right triangle 3)acute triangle 4)equiangular triangle
*May 30, 2008 by derek*

**math**

The vertices of a triangle are listed below. H(-2,4), I(22,4), J(10,-1) Which of the following correctly classifies the triangle? 1.The triangle is an obtuse isosceles triangle. 2.The triangle is a right scalene triangle. 3.The triangle is an obtuse scalene triangle. 4.The ...
*May 4, 2012 by ana*

**Math asap :(**

ŚQ CE_approx equal ŚS and CE_line qr approximately equal line sr. Select the correct congruence statement for the two triangles. What rule proves the congruence? )¢QPR CE_approx equal ¢RTS; ASA ¢QPR CE_approx equal ¢STR; ASA ¢QPR CE_approx equal ¢STR; SAS ¢QPR ...
*February 6, 2014 by Anonymous*

**Geometry**

Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)? There's a diagram...
*June 20, 2012 by Anonymous*

**Math-CHECK PLEASE**

Which of the statements is ALWAYS TRUE? A-A right triangle is a scalene triangle. B-An equilateral triangle is an isosceles triangle. C-An isosceles triangle is an obtuse triangle. D-A right triangle is an acute triangle. I got either A or D. I don't know. Also, if angle A is ...
*March 8, 2011 by Catherine*

**HELP!!!!RIGHT NOW!!!!**

Which set of side lengths shows similar triangles? (1 points) A) Triangle ABC : 40, 20, 50; Triangle XYZ: 10, 4, 8 B) Triangle ABC : 30, 20, 60; Triangle XYZ: 40, 60, 90 C) Triangle ABC : 110, 80, 60; Triangle XYZ: 6, 8, 5.5 D) Triangle ABC : 32, 20, 32; Triangle XYZ: 30, 16, 16
*April 29, 2011 by Dezzy*

**8gradescience**

How do helmets protect your head? a.By creating a large area to spread out the pressure of a blow to your head. b.By focusing the pressure of a blow into a small area. c.By creating a vacuum that protects your head. d.By creating a pressure gradient that traps energy away from...
*February 3, 2014 by ilikezackalot*

**Geometry**

Symmetric Property of Congruence: if < 1 ~= <2 and <3~= <4, then , and
*January 27, 2012 by Nae*

**Math**

Which set of side lengths shows similar triangles? Triangle ABC : 40, 20, 50; Triangle XYZ: 10, 12.5, 10 Triangle ABC : 30, 20, 30; Triangle XYZ: 40, 30, 20 Triangle ABC : 110, 80, 60; Triangle XYZ: 12, 16, 22 Triangle ABC : 32, 20, 32; Triangle XYZ: 40, 26, 26
*March 1, 2013 by Morgan *

**statistics**

Whats the difference between creating a z score from a single score and creating one fron a sample mean?
*April 30, 2012 by Brittany *

**Pythagorean Theorem**

7. The following are the lengths of the sides of four triangles. Which is a right triangle? Triangle EFG Triangle HIJ Triangle KLM
*July 15, 2010 by david*

**math**

3cm triangle,9cm triangle, 27cm triangle, If the pattern continues,and a fourth triangle is drawn,what would be the length of a side?
*January 9, 2012 by andrew*

**com/215**

how you would approach creating a negative message for a superior? VERSUS creating a message for a colleague, subordinate or fellow student.
*January 27, 2009 by Issabella Landcaster*

**english**

how would you approach creating a negative message for a superior versus creating a message for a colleague
*February 27, 2008 by sugrbare24*

**math**

i need help congruence chapter all about it
*January 3, 2008 by courtney*

**geometry**

if m<1 = 60 degrees, then m<3 + m<5 = what? | \2| 1 \| 3 ------- | ------ 6 |\ 4 |5\ | what is the transitive property of angle congruence?
*April 6, 2015 by eric*

**math**

triangle a and b are similar the ratio of a side of triangle b to a corresponding sid of triagle a is 5.3 the lengths of the sides of triangle a a are 18ft, 27ft and 30ft find the perimeter of triangle b
*March 28, 2011 by michael*

**Geometry Triangle Question!**

In triangle ACE, G is the centroid and BE=9. Find BG and GE. (segments BE and AD cross in the middle of the triangle, BE overlaps AD and C is at the top of the triangle, and A is on the left corner and E is on the right) Thank You So Much!!! ^0^
*January 3, 2012 by Jenn*

**math**

how so we indicate the congruence of two right angles triangles ?
*April 17, 2008 by mota*

**geometry**

Large triangle (30¢X, 60¢X, and 90¢X), the base is 15 feet. and small triangle (30¢X, 60¢X, and 90¢X) the above two triangle the ratio of the perimeter of the large triangle to the perimeter of the small triangle is ”Ō3. Determine the area of the small triangle rounded to the ...
*March 28, 2012 by Piggy*

**geometry**

Large triangle (30¢X, 60¢X, and 90¢X), the base is 15 feet. and small triangle (30¢X, 60¢X, and 90¢X) the above two triangle the ratio of the perimeter of the large triangle to the perimeter of the small triangle is ”Ō3. Determine the area of the small triangle rounded to the ...
*March 28, 2012 by Piggy*

**Algebra**

What is the value of b in the triangle shown below? The triangle they are showing is a right triangle...the length is 3b and the width is b...on the inside of the triangle it says 24in^2. A.4 in B.4 in C.±4 in D.no solution Please help I do not know how to do these...if I had...
*February 25, 2013 by Cassie*

**Math**

Can someone please check to see if I answered these true and false statements correctly? Thank you! 1. A triangle can have two right angles. (TRUE??) 2. An equilateral triangle is also an acute. (TRUE??) 3. A right triangle can also be an isosceles. (TRUE??) 4. A scalene ...
*November 9, 2014 by Anonymous *

**com 215**

Discuss how your would approach creating a negative message for a superior ( such as a manager at work or and instructor) versus creating a message for a colleague, subordinate, or fellow student
*October 21, 2007 by attivia*

**Shadow**

Write a two column proof. 1.Reflexive property of Congruence. -Thanks
*October 13, 2010 by Math*

**math**

please give examples of working models on SAS congruence
*September 29, 2011 by njggfg*

**Geometry**

Does SSSS postulate work as a congruence theorem for quadrilaterals? Explain.
*December 2, 2012 by Victoria*

**math**

1. Which angles are adjacent angles? (1 point) ∠GBM and ∠FBC ∠CBX and ∠FBC ∠XBG and ∠FBC ∠MBY and ∠FBC 2. The measure of ∠3 is 101°. Find the measure of ∠1. (1 point) 101° 106° 74° 79° 3. Is line l parallel to line m...
*February 3, 2014 by christian*

**pre algebra**

the midpoints of each side of triangle NOT are connected to make a smaller triangle inside triangle NOT. If the area of triangle NOT is 16 in squared, what is the area of the smaller triangle?
*January 13, 2011 by jen*

**Math**

Triangle Lmn is similar to triangle xyz. Triangle LMN has a side of 5 and 3. The scale factor of triangle Lmn to triangle xyz is 2:5. What is triangle xyz's length? Helppppp Meeeeeeeeeee!!!
*April 2, 2013 by Bre*

**geometry**

The medial triangle of a triangle ABC is the triangle whose vertices are located at the midpoints of the sides AB, AC, and BC of triangle ABC. From an arbitrary point O that is not a vertex of triangle ABC, you may take it as a given fact that the location of the centroid of ...
*April 30, 2013 by denise*

**Math**

Decide whether each statement is always true, sometimes true, or never true. a. a square is a rectangle b. a right triangle is an isosceles triangle c. an acute triangle is an isosceles triangle d. an isosceles triangle is a right triangle
*March 16, 2015 by Part*

**math**

list two congruence conditions for the law of sines yields a unique solution
*April 27, 2010 by carol*

**GEOMETRY 4.6**

USE THE GIVEN SET OF POINTS TO PROVE EACH CONGRUENCE STATEMENT E(-3, 3), F(-1, 3), G(-2, 0), J(0, -1), K(2,-1), L(1, 2);<EFG=<JKL
*August 9, 2010 by sonia*

**Proofs and numbers**

Solve the congruence 24x identical to 42 (mod 30) for x. List all the solutions (if there are any).
*November 28, 2012 by yin*

**geometry**

Jackson is creating a water garden surrounded by a triangular patch of grass. If the pond will take up the space indicated by the circle, how many square feet of sod will he need to complete the garden (use 3.14 for and round your answer up to the next foot)? the triangle is 6...
*June 29, 2012 by shanice*

**math**

The figure above consists of two equilateral triangles, one of which is inside the other. If the unshaded region within the larger triangle makes up 8/9 of that triangle's area, what is the ratio of the perimeter of the larger triangle to the perimeter of the smaller triangle...
*August 8, 2012 by Sara*

**basic geometry**

the three verticies of a triangle can be found at the points A(2,3) , B(-3,6), C(-4,-3) how long is each side of the triangle ab,bc,and ac explain how you got the answer. is this triangle a right triangle ? why and explain.
*December 11, 2013 by anabelle need help!*

**math**

the area of an equilateral triangle is given by the expression s^2 x square root of 3/4, where s is the side length of the triangle. what is the area of the triangle? round to the nearest tenth the triangle is 5 cm on all three sides.
*December 26, 2014 by math*

**Math**

Which type of dilation is determined by a scale factor of 10? enlargement reduction congruence transformation none of these
*January 15, 2008 by Andrea*

**math**

if the measure of the angles of a traingle are represented by 2x, 3x-15, and 7x+15, the traingle is 1 an isosceles triangle 2 a right triangle 3 an acute triangle 4 an equilateral triangle
*May 7, 2009 by Anonymous*

**geometry**

In the accompanying diagram, triangle ABCis similar to triangle DEF, AC = 6, AB = BC = 12, and DF = 8. Find the perimeter of triangle DEF. it an isoslese triangle 6 and 8 are both base my work 6+2=8 12+2=14 2(14)+6=p 24+6=28 I don't understand how to find the perimeter of ...
*July 16, 2015 by Samantha*

**Honors Geometry**

In a proof, I am given that Triangle GCF is congruent to Triangle GKF is congruent to Triangle JHM. Triangle GCF and Triangle GKF are Vertical Angles. I am also given that Angle C(on Triangle GCF) is 4y, and Angle G(on Triangle GKF) is 16y. So, obviously, the angle opposite it...
*November 3, 2010 by Brenna*

**math**

Area of a Triangle. The area in square meters of a triangle is given by A(x)=x^2+5x+6 a)Find A(5) b)If the length of the triangle is x+3 then what is the base of the triangle?
*March 4, 2009 by Debbie*

**Precalculus**

The sides of an isosceles triangle are 10 cm, 10 cm, and 12 cm. A rectangle is inscribed in the triangle with one side on the triangle's base. The other two vertices of the rectangle are on the triangle's legs. Find the Maximum Area of the Rectangle.
*November 18, 2012 by Georges*

**Geometry**

Which of the following is not a postulate used to prove the congruence of two triangles? a. ASA b. SSA c. SAS d. SSS I think its C?
*March 4, 2014 by Sarah*

**trig**

Find all solutions to the following triangle. (Round your answers to one decimal place. If either triangle is not possible, enter NONE in each corresponding answer blank.) A = 115.2”ć, a = 43.6 cm, b = 23.1 cm First triangle (assume B ”Ü 90”ć): B = ”ć C = ”ć c = cm Second ...
*November 16, 2012 by janice*

**math**

construct an equilateral triangle ABC in which altitude drawn from opposite vertex is 3.5 cm.Also construct a triangle APR similar to a triangle such that each side of the triangle APR is 1.5 times that of the corresponding side of triangle ABC.
*February 23, 2012 by upasna*

**Math**

If all of the following triangles have the same perimeter, which has the greater area? a) a right triangle with legs of equal lengths b) an equilateral triangle, c) An obtuse triangle d) a triangle whose sides are all different lengths e)an isosceles triangle whose unequal ...
*August 8, 2012 by Anonymous*

**Geometry**

How can I tell if a triangle is a 30, 60 90 triangle or a 45 45 90? What are the characteristics? A 45-45-90 triangle has two equal angles (and sides). It is an isoceles right triangle, in other words. It is easy to tell by looking that a 30-60-90 triangle does not have two ...
*March 20, 2007 by Emily*

**Geometry **

Let ABC be any triangle. Equilateral triangles BCX, ACY, and BAZ are constructed such that none of these triangles overlaps triangle ABC. a) Draw a triangle ABC and then sketch the remainder of the figure. It will help if (triangle) ABC is not isosceles (or equilateral). b) ...
*March 19, 2015 by G*

**trig**

Please answer b)only a) If a triangle has angles of 35 and 65 degrees, what is the measurment of the third angle? Is it a right triangle? b)Find all angles of a right triangle triangle RST given that r = 18 cm and s = 20 cm
*April 16, 2008 by Abigail*

**pre-algebra**

When designing a pattern, Erica rotated a triangle 90 degrees about the midpoint of one side to create a second triangle. If the area of the original triangle is 48 square inches, what is the area of the second triangle?
*February 23, 2012 by Lola*

**geometry**

Each base of an isosceles triangle measures 42 degrees, 30'. The base is 14.6 meters long. a. Find the length of a leg of the triangle b. Find the altitude of the triangle c. What is the area of the triangle?
*October 27, 2012 by Sofia*

**Math**

Triangle A has an area of 19,00cm squared and similar triangle B has an area of 118.75cm squared. Determine what scale factor makes triangle B an enlargement of triangle A
*February 28, 2013 by Kim*

**Education**

I'm to create a hand printed painted to match my skin tone. I'm not sure on what kind of paint to use or where to get it it. I have also to write a one page reflection on creating my skin color and reflect on how this project might relate to students charged with creating self...
*September 19, 2008 by Will*

**Discrete Math **

Congruence True or False: (give reason) _ __ 2 ∈ 18 (mod 8) Can someone please help with this problem? I'm confused. . . Thanks for any helpful replies.
*March 14, 2011 by Francesca *

**Geometry**

Can you help me with Always, Sometimes, Never questions?? I have answered all of these, but I am not sure if they are right. 1. The base angle of an isosceles triangle are acute----Always 2. When the altitude and the median are drawn from the same vertex of a triangle, the ...
*May 28, 2013 by Melissa*

**Geometry Honors**

Can someone help me with Always, Sometimes, Never questions?? I have answered all of these, but I am not sure if they are right. 1. The base angle of an isosceles triangle are acute----Always 2. When the altitude and the median are drawn from the same vertex of a triangle, the...
*May 28, 2013 by Melissa*

**Math **

triangle GHE hypotenus GE=21,the altitude from H intersect GE @ F GH=10 HE=17 a.Find HF b.Is triangle EHF similar to triangle HGF ?
*January 5, 2010 by JEFF BOMB*

**geometry **

if one angle of a triangle is equal to the sum of the other two,show that the triangle is a right triangle.
*January 28, 2011 by properties of triangle*

**geometry **

if one angle of a triangle is equal to the sum of the other two show that the triangle is a right triangle.
*January 28, 2011 by properties of triangle*

**geometry**

A triangle has sides 12 ft, 14 ft, and 20 feet. The smallest side of another similar triangle measures 8 ft. What is the perimeter of the smaller triangle.
*May 8, 2011 by Mary *

**Math**

A triangle is graphed in the coordinate plane. The vertices of the triangle have coordinates (5, 1), (1, 1), and (1, 7). What is the perimeter of the triangle? 28 24 14---- my answer 10
*January 23, 2015 by Sara*

**math**

The coordinates of (triangle) ABC are A(-3,-1 ) , B( 5,1 ) and C (2,4) (i) Calculate the length of AB , BC and AC (ii) Hence, show that (triangle) is a right- angled triangle
*March 27, 2015 by James*

**trig**

The hypotenuse of a right triangle has length 8. The area of the triangle is also 8 units squared. What is the perimeter of the triangle?
*July 29, 2015 by Alexa*

**Pre-algebra**

Say that you have a triangle with sides a = 20, b = 48, and c = 51. True or false: this triangle is a right triangle.
*May 4, 2010 by Olivia*

**math**

A side of an equalateral triangle is 2/8 cm long. Draw a picture that shows the triangle. What is the perimeter of the triangle?
*February 25, 2013 by leon*

**Geometry**

Find the area of each equilateral triangle. The triangle has 12cm sides. The triangle has 10in altitudes.
*September 30, 2013 by George*

**geometry**

Given mŠ 1 + mŠ2=90, what can we conclude? Well, if the angles are in a triangle, the other angle is 90 degrees, which makes the triangle a right triangle.
*June 28, 2007 by tina*

**Math**

The sides of a triangle have the equations y=-1/2x+1, y=2x-4, and y=-3x-9. Verify that the triangle is an isosceles right triangle. Algebraic solutions only!
*March 17, 2010 by Kristen*

**math**

which of the following triangles is both an obtuse triangle and isosceles triangle. A triangle with angles measuring: a) 60,60,60 b) 120,30,30 c) 110,15,55 d) 30,70,80
*July 7, 2010 by Tiffany*

**math**

triangle ABC, with vertices A(2,3), B(4,-4), C(6,8), is reflected across the x-axis to form a triangle A'B'C'. Give the new coordinates for triangle A'B'C'.
*October 24, 2012 by ashley*

**Maths(help me plz..!**

The sides of a triangle are of lenths x*-y*, x*+y* and 2xy units respectively. Prove that the triangle is a right angled triangle
*July 11, 2013 by Alexander*

**Math**

Two vertices of a right triangle are (0,1) and (0,6). The area of the triangle is 10 square units. Which point could be the third vertex of the triangle?
*April 16, 2014 by Shohanur*

**Math Help!!!**

Triangle A and triangle B are similar. The perimeter of trianlge A is 15 m and the perimeter of triangle B is 30 m. What is the ration of the perimeter of triangle B to the perimeter of triangle A? A. 2:1 B. 3:1 C. 3:2 D. 5:3 Is the answer D?
*November 11, 2014 by Callie*

**math**

A triangle has sides of lengths 9 cm, 40 cm, and 41 cm. Which statement is true about this triangle? Not a right triangle?
*February 28, 2011 by df*

**MATHS**

the base BC of a triangle ABC is divided at D so that BD=1/3 BC .prove that ar(triangle ABD)=1/2 ar (triangle ADC)
*March 16, 2013 by BAISHALI*

**Math**

The altitude of a triangle is 2cm longer than its base. The area of the triangle is 60 cm*2. What are the dimensions of the triangle?
*May 26, 2014 by Lorrie*

**geometry**

triangle fgh is an obtuse triangle. the greatest angle in the triangle has a measure of (6d)degres.what are the posible values of "d". show problem
*October 28, 2010 by ter*

**Math**

Imagine there is a triangle with two interior angles of 45◦ . If the shortest side of the triangle is 1cm long, what is the area of the triangle?
*April 13, 2011 by Ladoo*