Wednesday

August 20, 2014

August 20, 2014

Number of results: 70,798

**geometry**

i have a triangle and i have to find the primeter....here are the measurements...3/8...3/8..3/8 on each side. 3/8+3/8+3/8=9/8?
*September 11, 2009 by A*

**math need help please**

The area H of a triangle with base b and height h is given by H=1/2bh. Find the area when b=21m (meters) and h=38m.
*November 22, 2008 by nonna*

**geometry**

find the volume of the right prism whose base is a right triangle with legs 3 ft and 4 ft and with a height (altitude) of theprism being 8 ft
*October 24, 2011 by clarence*

**area of triangle**

the base of a triangle is 9 cm the area is 18 cm squared what is the height?
*April 9, 2013 by Wyatt*

**geometry**

In isosceles triangle ABC, AB = BC, and D is a point between A and C on AC. Can you conclude MO > ML, MN > MO, angle L > angle BDA, or angle N > angle BDC
*January 5, 2011 by Nick*

**Geometry**

You are presented with a right triangle. The dimension of side a is 2 inches and the dimension of side b is 4 inches. Calculate the dimension of side c. I believe it would be 4.5 inches
*October 4, 2008 by Jen*

**algebra**

Find the length of a side of an equilateral triangle with altitude of length 6.
*March 2, 2010 by chica*

**Advanced Algebra 1**

A polygon has a perimeter of 24mm. Find the new perimeter after a scale factor of 1/4 is applied?
*October 14, 2010 by Jordan*

**Algebra Homework, HELP!**

1) A rectangle has an area of 297 square inches and a width which is three inches less than four times the length. Find the length and the width of the rectangle. 2) Let x represent the length of the shorter leg in a right triangle. If the longer leg is 1 more than the ...
*October 14, 2013 by Preston*

**physics**

a vertical dock gate is 5m wide and is hinged at 1m from the base of the dock. the dock has sea water with density of 1025 kg /m^3 to a depth of 7.5 on one side and fresh water to depth of 3m on the other side a) find the resultant horizontal force b) Determine the overtunning...
*January 13, 2014 by moody*

**math**

Base is 16 cm squared, Width is 2.5 cm. what is the perimeter and height
*January 13, 2013 by donna*

**geometry**

Given the triangle ABC and m<A = 22º; a = 6. Find the measurement of side b if angle C is the right angle.
*June 30, 2011 by Anonymous*

**math**

solve: perimenter of triangle perimeter is 12 meters determine values x, x+1, and x+2 x(x+1)+(x+2)=12
*November 5, 2008 by Maddy*

**GED Math**

In the figure below, if the perimeter of triangle ABC is 48, what is the value of x?
*January 14, 2012 by Alma*

**math**

Find the representation of the number 256 in thefollowing bases:a. Base six b. Base twelvec. Base two
*October 15, 2010 by Anonymous*

**maths**

anyone can help me with this question plz .how u find the angle between side of hexagon which it has 6 different side and the length of each side is ,side1: 128mm, side 2:10mm, side3:112mm,side4: 82mm, side5:48mm,side6:30mm.
*October 2, 2013 by john help me with this question plz*

**math**

Two sides of an isosceles triangle are 13 inches and 16 inches. What are two possible perimeters ? IS one 42 ?
*December 3, 2013 by sam*

**math**

An isosceles triangle of sides 13cm, 13cm, 10cm is inscribed in a circle. What is the radius of the circle?
*March 17, 2014 by abigail*

**Algebra II**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 21, 2011 by Ashley*

**Math**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 22, 2011 by Zoey*

**Algebra II**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 22, 2011 by Jake*

**Algebra II**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 22, 2011 by Jake*

**Math**

The area of a triangle varies jointly as its base and altitude. By what percent will the area change if the base is increased by 15% and the altitude decreased by 25%?
*November 22, 2011 by Jake*

**word problem**

what are the dimensions of the lightest rectangular box without an open top whose base is a square and whose height is two less than the length of the side of the base?
*January 18, 2010 by kelli*

**calculus II**

Suppose R is the region in the plane enclosed by y = x2 and y = 4. a) Compute the perimeter P and area A of R, and then compute the ratio Q = A/P2. Note By squaring the perimeter the ratio becomes independent of the units chosen to measure the region. b) Compute this ratio Q...
*November 23, 2012 by Anonymous*

**algebra**

what is the perimeter of a square with sides that are sqrt3 + sqrt5 on every side? what is the area? not perimeter area= (sqrt3 + sqrt5 )(sqrt3 + sqrt5 ) Multiply it out. I will be happy to critique your thinking and work.
*June 29, 2007 by kris*

**calculus**

There are an infinite number of triangles that must be isosceles and have two legs that measure 10 cm, each of them has an area. what is the biggest area such a triangle could have?
*September 2, 2009 by sarah*

**Math**

Triangle ABC has ∠A=40∘, ∠B=60∘, ∠C=80∘. Points M,N trisect the side BC and points P,Q trisect the side AC. The lines AM,AN,BP,BQ intersect at the points S,T,U,V as shown in the figure below, dividing the triangle into 9 regions. Determine ...
*June 14, 2013 by Bob*

**Mathematics**

Triangle ABC has ∠A=40∘, ∠B=60∘, ∠C=80∘. Points M,N trisect the side BC and points P,Q trisect the side AC. The lines AM,AN,BP,BQ intersect at the points S,T,U,V as shown in the figure below, dividing the triangle into 9 regions. Determine ...
*June 16, 2013 by Steve*

**Geometry**

a. If a spherical Triangle on Earth has an excess of 30 degrees, find the area of this spherical triangle measured in square miles. b. If a spherical triangle on the moon has an excess of 30 degrees, find the area of this spherical triangle in sqare miles. c. Find the ratio of...
*March 5, 2013 by PLEASE HELP*

**Geometry**

Use any tools to construct each of the following, if possible: a. A right triangle with one acute angle measuring 75° and a leg of 5 cm on a side of the 75° angle b. A triangle with angles measuring 30°, 60°, and 90°
*August 1, 2011 by Adalgisa*

**Geometry**

The hypotenuse of a right triangle is the side opposite the? a. 90 degree angle b. smallest angle of the triangle c. acute angle d. top angle I believe it is a
*October 2, 2008 by Jen*

**math**

A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice?
*October 19, 2010 by Ted*

**math**

A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice
*October 20, 2010 by Ted*

**math**

A triangle has vertices P(7,7), Q(-3,-5), and R(5,-3). a. calculate the lengths of the midsegmaents b. calculate the lengths of the three side of triangle PQR. c. compare your answers in a. and b. what do you notice
*October 20, 2010 by Ted*

**MATH!!!**

given isosceles triangle ABC, line AB = BC, and BD is the angle bisector of isosceles triangle ABC prove AB x DC = BC x AD Aren't the two halves congruent? (SAS) If so, then DC is equal to AD. Don't the ratios AB:AD=BC:DC by corresponding parts? how do i write that out like on...
*September 6, 2006 by Annie*

**Geometry please help me need to finish!**

The slant height of a regular pentagonal pyramid is 6 cm, and the length of each side of the base is 3 cm. Find the lateral area.
*August 18, 2011 by Nina *

**geometry**

I have triangle XYZ with BX as the bisector sides XY and XZ are congruent. I have to write a proof for angle Y being congruent to angle Z. This is what I have, but it doesn't seem correct - can anyone help? XY is congruent to XZ - Given XB bisects angle XYZ - Perpendicular ...
*December 13, 2009 by josh*

**maths**

Im confused can any1 help me on this question ?? or try and put me on the right track? (a) A circle has radius 2cm (in that circle there is an triangle AOB) and the chord AB has length 3cm. AO is 2cm and BO is 2cm. O is the centre of the circle. (b) consider a paper disc whose...
*September 25, 2007 by hi*

**maths**

The measures of two adjacent sides of a parallelogram are in the ratio 17:7. if the second side measures 3.5 cm, find the perimeter of the parallelogram.
*February 6, 2011 by rupa das*

**math**

a pentagon has a perimeter of 50 cm. the shortest side has a length of 3 cm. find the length of a similar pentagon if the perimter of the second penatgon is 80 cm ?
*September 25, 2013 by dustin*

**Algebra**

The sides of a square are one-third as long as the sides of an equilateral triangle. The difference between their perimeters is 20 centimeters. How long is each side of the triangle? Define your variables. Thx
*March 8, 2010 by Renee*

**calculus**

Find the volume of the solid whose base of a solid is the region bounded bythegraphsofy=3x,y=6,andx=0. Thecross␣sections perpendicular to the x ␣ axis are rectangles of perimeter 20.
*December 16, 2010 by Ashley*

**calculus**

Find the volume of the solid whose base of a solid is the region bounded bythegraphsofy=3x,y=6,andx=0. Thecross␣sections perpendicular to the x ␣ axis are rectangles of perimeter 20.
*December 16, 2010 by Ashley*

**Math**

Find the length of side a in the right triangle if b=12 and c=15 I have the length as 6 but I dont think this is correct Please help
*November 9, 2011 by Allison*

**math**

find the legth of the third side of the right triangle if a=2in and b=6in I think it is 10 but not sure if I did it right
*January 5, 2012 by Jazmyne*

**Math**

# 1 if the area of the parallelogram is 39cm2, what is its base? ____cm # 2 if the base of the triangle is 2 times its height, what is its area? ____cm need help
*March 6, 2012 by i need help!*

**math**

if possible,draw two isosceles triangle in which all the equal-length sides in both triangles are congruent, but the two triangles themselves are not similar.
*May 20, 2009 by here*

**trig**

Ok so I have a right triangle with the hypothenuse = to 5, one side =3 and the other =4 and X is the angle between the hypothenuse and the side that =3. I'm supposed to find the sin, cos, tan, cot, sec, csc of X. I can't seem to get the answer for the sec and csc. If sin(x)=4/...
*September 14, 2008 by Natash*

**>_<**

The 3 sided triangle has an area of 14 in^2. Determine the lengths of the sides of the triangles.Remember that the area of a triangle is ½ bh. bottom length= x+3 side length= x
*May 20, 2012 by Anonymous*

**maths-areas **

in triangle ABC P, Q AND R ARE the mid points of side AB, BC, CA.prove that area of parallelogram APQR=( 1/2)* area of triangle[ABC]
*March 15, 2013 by anoynomous*

**trig**

Suppose the tangent of an acute angle in a right triangle is less than 1. How does the side opposite the angle compare to the side adjacent to the angle?
*March 5, 2011 by Naomi*

**Calculus and vectors @ Bob Purs**

Rectangle side is represented by (2,3) and (-6,4). Find the perimeter of rectangle. Is this correct? (-6-2), 4-3) sqrt(8^2+1^2) sqrt(65) =8.062257748(2) =16.124?
*March 22, 2012 by Jake*

**Algebra**

Hi. 1. I have a right triangle here. I know that I am to use the Pythagorean Theorem: a^2 + b^2 = c^2. In this case, side a is (x + 4) and b is x. The hypotenuse is 4 + (x + 4) So here we have the equation: (x + 4)^2 + x^2 = 4 + (x + 4)^2. I need to find the length of a (the ...
*March 11, 2014 by Student*

**Algebra1**

Please check these 15. Simplify the product using FOIL: (4x+3)(2x+5) 6x^2 + 26x + 15 16. Given the set of data 2, 6, 3, 8, 5, 4, 2, what is the mean? 4.28 41. Find 60.5% of 8,125. 4,915.625 54. Find 45% of 125 56.25 68. Evaluate: (5.0 x 10^3) x (4.0 x 10^7) I need help in this...
*June 10, 2010 by y912f*

**math**

how to make a parallellagram with a base of 8cm and perimeter is 28cm?
*February 13, 2013 by suzanne*

**Grade 6 math**

Draw a hexagon and a rectangle that have the same perimeter as the triangle.
*March 2, 2009 by vana*

**Maths**

The sides of a triangle are xcm and 5cm. The perimeter is 29cm, evaluate the value of x?
*February 9, 2010 by Jermaine*

**geometry**

if a triangle has a perimeter of 72 and a ratio of 3:4:5. what is the length of all three sides and angles
*March 9, 2011 by jalisa*

**Math :-)**

Explain why knowing the height is needed when finding the perimeter of a right triangle.
*February 9, 2014 by anon*

**maths**

If the side of triangle are equal, and it was made by placing beads touching it other, how many beads would you use if there are 3 beads on each side?
*February 27, 2012 by Samantha*

**Math (I'm really confused). Please help.**

What is the length of approximated to the nearest tenth? A. 49 B. 32 C. 23 D. 7 Side AB has a length of 7x and Side CB has a length of 9x - 14. It is an equilateral triangle.
*February 14, 2014 by dark1*

**Geometry - Bob**

Problem : Howm do you find the area of a circle circumscribed about a regular pentagon with a perimeter of 50 inches. So far I each side of pentagon is 10. How do I find the radius of the circle? Is this the correct direction to go? I your link & I was unable to come up with ...
*April 10, 2011 by mary*

**geometry**

the perimeter of a hexagon is 13.5 what is the lenth of each side
*February 2, 2010 by kayla*

**geometry**

What is the perimeter of a rhombus with a side of 6 and an altitude of 5?
*September 30, 2011 by Anonymous*

**Geometry**

What is the reason called when there are two legs on an isosceles triangle, are bisected using a mid segment to form a trapezoid, and you are trying to prove the legs of the trapezoid are congruent?
*January 14, 2014 by Kathleen*

**geometry **

Find the area of the segment of the circle. Leave your answer in terms of pi. there is a circle with a 90 degree triangle and one side is 3 cm
*May 4, 2013 by Hannah*

**7th grade math please help Ms. Sue**

9. Name the triangles that are classified by angles. (1 point) right, scalene, isosceles scalene, isosceles, equilateral acute, right, obtuse obtuse, isosceles, acute 11. Name the quadrilaterals that have four equal sides. (1 point) rhombus, square square, rectangle ...
*February 13, 2013 by Delilah*

**math**

The length of a rectangle is 2 times its width and its perimeter is 42 cm. A ssquare is formed by putting together 2 rectangles like this. Find the length and width of the edge and the area of this square. "A ssquare is formed by putting together 2 rectangles like this." Like ...
*April 14, 2007 by kyle*

**Geometry**

We have a triangular prism that has the following characteristics. It has a volume of 360 cubic inches. The base of the triangle is twice the height of the triangle. The difference between the height of the prism and the height of the triangle is 4 inches. The height of the ...
*May 20, 2010 by Brett*

**Trigonometry One Quick Question! Please help! **

Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple? Explain. Thank You so much! :) I'm having a hard time understanding this so it means alot!
*February 20, 2012 by Amaya*

**math**

In triangle ABC, sin A = 0.7 and sin B = 0.3 and side a = 12. What is the value of side b?
*March 22, 2010 by Paula*

**maths urgent**

Plz help me solve these sums i will be great full 1.How many non congruent right triangles with positive integer leg lengths have areas that are numerically equal to 3 times their perimeters 2.A triangle with side lengths in the ratio 3:4:5 is inscribed in a circle of radius 3...
*May 15, 2013 by ramesh reddy*

**math**

a triangle with side lengths 26, 28, and 30 is constructed so that the longest and shortest sides are tangent to a circle. the third side passes throught the center of the circle. compute the radius of the circle
*January 10, 2011 by LULU*

**Math**

Select the geometric figure that possesses all of the characteristics: (1) four equal sides (2) both pairs of opposite sides are parallel (3) it doesn't contain any right angle A) square B) parallelogram C) rhombus D) isosceles triangle I know it's not A or D
*April 16, 2013 by Lily*

**math**

I need to find out the type of triangle (by the type of angles). Is triangle acute, right or obtuse, when the lenghts of triangle sides are: a) 7, 8, 12 b) 20, 15, 40 c) 2/3, 8/9, 10/9
*January 22, 2012 by eve*

**Analytic Geometry**

A circle at the origin whose is 2 units is 2 is inscribed in a right triangle whose base is 8 units and altitude 6 units. Find a) The equation of the circle b)The area and circumference of the circle c)The area of the right triangle exluding the area covered by the circle
*August 11, 2014 by Jnr John*

**Trigonometry**

There is an arbitrary triangle with angles A, B, and C and sides of lengths a, b, and c. Angle A is opposite side a. How do I get the formulas: b * cos C + c * cos B = a c * cos A + a * cos C = b a * cos B + b * cos A = c Are these standard trig formulas? What are they called...
*December 15, 2006 by mathstudent*

**Math - Geometry**

Two right triangles are touching at the tips. The left triangle has the 90 degree angle to the bottom left, and 33 degrees on the bottom right. Based on this info, the other angle is 57 degrees. The right triangle has the right angle given, but it is on the top right, and the ...
*December 1, 2007 by Nikki*

**math problem**

In DABC, what could the 7 shown in the ratio sin A = 7/9 represent? A) the length of the adjacent side of angle B B) the length of the opposite side of angle A C) the length of the hypotenuse of a right triangle D) the length of the adjacent side of angle A I did this as an ...
*May 27, 2014 by danielle*

**7th grade**

one side of a rectangle is 15 centimeters longer than the other side. the perimeter of the rectangle is 94 centimeters. what is the width of the rectangle?
*November 1, 2010 by jaeden*

**AP Calculus**

The base of a solid is bounded by y =|x|+a, 0<a<3, and the line y=3. find in cu. units in terms of a, the volume of the solid if every cross section perpendicular to the y-axis is an equilateral triangle.
*March 16, 2014 by Anon*

**AP Calc**

The base of a solid is bounded by y=|x|+a, <a<, and the line y=3. Find, in Cu. units in terms of a, the volume of the solid if every cross section perpendicular to the y-axis is an equilateral triangle.
*March 18, 2014 by Anon*

**Math**

A triangle lot is 170 ft on one side and has a property line of length of 800 ft. Find the area of the lot in acres
*November 12, 2013 by Argosy*

**math**

Two of the sides of a right angled triangle are 5m nd 12m.find the length of the third side(there are two possible answers)
*January 6, 2014 by rita*

**math**

a college football pennant is in the shape of an isosceles traingle . the base is 20 long the sides meet at an angle of 35 degrees.how long are the sides?
*May 17, 2008 by tareena*

**geometry**

Which description does NOT guarantee that a trapezoid is isosceles? A. congruent bases B. congruent legs C. both pairs of base angles congruent D. congruent diagonals
*April 9, 2013 by Anonymous*

**math**

how do I find the volume of a pyramid with a square base, 20 meters on each side, and a height of 21 meters
*January 7, 2011 by linda*

**algerbra**

the length of a rectangle is one foot more than twice its width. If all sides were increased by 7feet the perimeter of the new triangle would be 122 ft. find the new dimensions of the new rectangle
*February 23, 2012 by jessica*

**geometry**

Find the perimeter and area of a right triangle if one leg measures 24 ft. and the other leg measures 70 ft. Please show the steps so I can do the next one. Thanks
*March 5, 2011 by allen*

**geometry**

Find the perimeter and area of a right triangle if one leg measures 24 ft. and the other leg measures 70 ft. Please show the steps so I can do the next one. Thanks
*March 5, 2011 by allen*

**geometry**

If the length of the hypotenuse of a right triangle is 65 cm and the length of one side is 56 cm, then the length of the other side must be
*November 8, 2009 by kimama*

**math**

What is the perimeter of a right triangle with legs 6 cm and 3 cm? Leave your answer in simplest radical form.
*October 25, 2011 by ashvini*

**math homework**

What is the perimeter of a triangle whose sides measure 21cm, 16cm, and 19cm?
*April 17, 2014 by karla*

**Algebra Readiness**

Sally bakes two cakes, a square and a circle. The length of the side of the square cake is 8 inches. Find the area and the perimeter of the cake heart.
*February 16, 2014 by Katy*

**PHYSICS**

Hi thanks for your help The answer to this problem is supposed to be 1870 [N (m^2)/ c] but im getting 1497 instead. If you could help me get the right answer that would be super. The problem says that there is a pyramid with a square base whose side lengths are 6 m and the ...
*February 8, 2011 by KIKSY*

**physics**

Hi thanks for your help The answer to this problem is supposed to be 1870 [N (m^2)/ c] but im getting 1497 instead. If you could help me get the right answer that would be super. The problem says that there is a pyramid with a square base whose side lengths are 6 m and the ...
*February 8, 2011 by KIKSY*

**physics**

Hi thanks for your help The answer to this problem is supposed to be 1870 [N (m^2)/ c] but im getting 1497 instead. If you could help me get the right answer that would be super. The problem says that there is a pyramid with a square base whose side lengths are 6 m and the ...
*February 8, 2011 by APpreciative student*

**algebra**

the area A of a triangle with base b and height h is given by A=1/2bh,find the area when b=28m(meters) and h=38m. The area is m
*October 27, 2010 by CeCe*

**math**

find the base of the triangle of a triangular prism with a height of 8 yards, altitude of 4 yards , and a volume of 16 cubic yards ?! can you help me???
*January 28, 2012 by me/4/me*

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