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December 20, 2014

Search: Find the perimeter of an isosceles triangle with a base of 45 and a side of 58

Number of results: 74,710

Pre algebra
The width of a triangle is x-3 and the length is 2x-1. Write and solve an equation to find the perimeter and area of the rectangle if the measures of its length and width are in a 1:3 proportion
May 25, 2011 by Ashley

math
find the perimeter and area of a right triangle if 1 leg measures 10 ft. and the other leg measures 24ft. show all work please.
July 3, 2011 by jenna

math
HOW DO I FIND THA AREA OF A TRIANGLE? 1/2 times the base times the height.
January 31, 2007 by hanna

algebra
The height of a triangle is 4x + 5 inches and its base is equal to its height. Find its area.
June 27, 2012 by Anonymous

math,help
help Probblem #6 solve by multiplying through with the common denominator (11)/(3)x + (1)/(6) = (8)/(3)x + (19)/(6) Problem #20 the perimeter of a rectangle is to be no greater than 300in. and the length must be 125in. write an inequality representing the maximum perimeter. i ...
March 18, 2007 by jasort20

Calculus
The area of largest isosceles triangle that can be drawn with one vertex at the origin and with others on a line parallel to and above the x-axis and on the curve y=27-x^2 is.... A) 108 B) 27 C) 12 root 3 D) 54 E) 24 root 3
March 8, 2011 by Sal

Calculus
1) Find correct to six decimal places root of the equation cos(x)= x for xE[0, pi/2] using Newton's Method. 2) A triangle has two constant lengths of 10 cm and 15 cm. The angle between two constant sides increases at a rate of 9 deg/min. Find the rate of increase of the third ...
May 4, 2013 by G

MATH
FIND THE AREA OF A TRIANGLE IF THE BASE (b) IS 9 INCHES AND THE HEIGHT (h) IS = 12 INCHES???
July 15, 2011 by SANDY

Algebra
A triangular pennant has two sides the same length. The third side is 9 in. shorter than either of the equal sides. The perimeter of the pennant is 57 in. How long is the shortest side?
October 18, 2011 by Anonymous

Math
In triangle MABC, 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 MABC is 108?
December 6, 2013 by Xian

geometry
The side of a triangle opposite a 58 measures 15 inches. To the nearest hundredth of an inch, what is the length of the side opposite a 53 angle
September 5, 2010 by ben

Pre Calculus
For a given right triangle, side a = 76.4 feet and side b = 39.3 feet. What is the measure of angle A to the nearest degree?
November 30, 2012 by Kelsey

algebra
what are the formulas for finding perimeter and area of a triangle?
December 5, 2007 by Tabby

math
what is the perimeter of a triangle which sides mesure 6,8,and 10 inches?
February 12, 2008 by erica

Math
What is the perimeter of an equilateral triangle with an altitude of 15m?
March 14, 2013 by Amber

math
find the base of a triangle whose height is 1.7 feet and whose area is 1.87ft2
July 23, 2008 by Nathaniel

math
he area of a triangle with base b and height h is given by A=1/2 bh. find the area when b =15 (meter) and h= 40m
July 29, 2010 by Anonymous

honors/Geometry
how do you write out proofs? To be more specific with my question, how do you find the alternate exterior angles theorem? Be sure the result is not a postulate. If it is then there's nothing to prove, it's given. If it is a theorem -a provable statement- then review the ...
September 27, 2006 by chelsea

math
A right triangle has a hypotenuse of length 3.00 m, and one of its angles is 30.0. What are the lengths of (a) the side opposite the 30.0 angle and (b) the side adjacent to the 30.0 angle?
July 19, 2009 by steven

PRECAL MULTIPLE CHOICE
If a triangle ABC has A = 52 degrees, side a = 178, and side b = 234, then what is the measure of B? B= 62.3 or 117.7 B = 62.3 B = 117.7 there is no solution
May 28, 2014 by l

geometry
In the accompanying diagram of triangle ABC side DE is parallel to AC. If BD is 8 and BA is 18, that is all on side d is the midpoint of BA and BC is 27 with the midpoint E what is the length of BE??
June 8, 2010 by Michelle

grade 6 math
The shorter side of a rectangle is 20 m. Decreasing the longer side by 30 cm reduces the perimeter by one half. How long are the longer sides of the original rectangle? Explain the reasoning.
March 2, 2009 by vana

math
consider a square and a regular pentagon. one side of the square is 6 feet longer than a side of the pentagon, and the figures have the same perimeter. what are the lengths of the sides of each figure?
September 24, 2010 by ???

Math
in a rectangle the measures of the base and the altitude are in a ratio of 1:4. I f the rectangle is equal in area to a square with a perimeter of 60 feet, find the dimensions of the rectangle HELP PLEASE TYSM!!
October 7, 2014 by Melinda

math
2m shorter than twice side b and side c 3m longer than side b find the length of each side
April 25, 2011 by jem,s

geometry
A triangle is inscribed in a circle. One side of the triagle has lenghth 12 cm, and the angle opposite that side measures 30 degrees. What is the diameter of the circle?
March 8, 2012 by Jenna

pre calculus
For a given right triangle, side a = 400 feet and side b = 900 feet.What is the measure of angle A to the nearest degree?
November 30, 2012 by Kelsey

pre calculus
For a given right triangle, side a = 400 feet and side b = 900 feet. What is the measure of angle B to the nearest degree?
November 30, 2012 by Kelsey

pre calculus
For a given right triangle, side a = 490 feet and side b = 960 feet. What is the measure of angle B to the nearest degree?
November 30, 2012 by Kelsey

math115
divide 30/49 divide 16/21= 45/56 a triangle has a base 15ft and an altitude of 8ft find the area =60ft^2
October 20, 2009 by david

math
the length of the base of a triangle is 4 times its altitude. if the area of a triangles is 162cm2 find the altitude
February 11, 2011 by annette

6 grade math
how do you find the height of a triangle with an area of 245 square inches and a base of 14 inches.
March 19, 2012 by justin

Algebra
The base of a triangle in terms of x is: 2^2+4x+2 and the height is x^2+3x-4 Area=1/2(2x^2+4x+2) (x^2+3x-4)= 6x^2+2 (x^2+3x-4) Trying to find the area and not sure which direction to go
November 2, 2014 by Babydoll2007

algebra
the perimeter P of a square is four times the length of ones side s, or P=4s. Is (1455) a solution of this equation? If not, find a solution that uses one of the given values
November 1, 2011 by jacky

math
The aera of rectangle MATH is 30 sq cm and each side-length is a counting number of cm. H is the midpoint of TO. The area of square ECHO is between 5 sq cm and 24 sq cm. Find the perimeter of the entire fiure in cm.
December 10, 2012 by nguyen

math
A softball diamond is a square with sides of 60 feet long. How far is home plate to second base? Round to the nearest tenth if necessary. 60 Home plate, first base, and second base form a right-angled triangle, with home plate to second as the hypotenuse. Call that distance h ...
April 9, 2007 by ana

College Algrebra Math 133 unti 1 IP 1
Suppose the width of a rectangle is 5 inches shorter than the length and that the perimeter of the rectangle is 80 inches. The formula for the perimeter of a rectangle is P=2L + 2W. Set up an equation for the perimeter involving only the L the length of the rectancle. And ...
May 11, 2013 by Dana

Pre Calculus
1. A rectangular box has a square base, four sides, but no top. It has a volume of 20 cubic feet. Let A be the surface area of the box, and L the length of one side of the base. (a) The volume is measured in cubic feet. What units are convenient to use for the area A and the ...
September 11, 2012 by Mario Trujillo

Precalc
Okay for this question I know I am supposed to use the law of sines. But how can i tell what side is what? In right triangle ABC, a = 120 and c = 140, and C is the right angle. Solve the triangle. Round to the nearest tenth, if necessary.
August 5, 2011 by anna

Math HELP!
Sylvia made a poster shaped like the triangle shown below. The hypotenuse is 26in. one like is is 24 in. and the bottom leg is blank. What is the length of the the third side of the triangle? A. 10 in. B. 12 in. C. 14 in. D. 16 in. Is the answer D? Thank you
November 5, 2014 by Callie

calculus
a trapezoid is a quadrilateral with (only) two sides (called bases) that are parallel. an isosceles trapezoid has two equal legs. the area of a trapezoid is A=(1/2)*h*(b1+b2) where b1 and b2 are the two parallel bases and h is the altitude. your problem: a water viaduct has a ...
November 17, 2011 by robert

Math
Suppose Triangle ABC has right angle C. Find the measures of the other sides to the nearest whole number if...? the measure of angle A is 32 degrees, and the measure of AB is 42. For one side, I got 23, and for the other side, I got 35. Am I right?
May 16, 2009 by Angie

math
A triangle has an area of 15 cm^2 and a base of 5 cm. If a circle is drawn with a diameter equal to the length of the triangle's height, what is the area of the circle ? a. 6 pi cm^2 b. 9 pi cm^2 c. 12 pi cm^2 d. 18 pi cm^2 e. 36 pi cm^2 please answer and explain
January 5, 2014 by Thomas

Algebra 2
-Explain the difference between log base b (mn) and ( log base b of m)(log base b of n). Are they equivalent? My answer: Let b=2, m=8, n=16 *log base b (mn)=log base b of m + log base b of n log base 2 of 8+ log base 2 of 16=7 * (log base b of m) (log base b of n)=(log base 2 ...
July 21, 2013 by Anonymous

Math
Can someone help me understand how to convert numbers to base numbers. Such as.... 1. 40 to base two 2. 502 to base eight 3. 42 to base five I have researched the web and cannot find a site that explains it in normal english! Any help would be appreciated.
May 14, 2009 by Lisa

Pre-Algebra
Find the dimensions of the rectangle.The perimeter is given. Rectangle: P= 210 ft. w;side of rec. 2w=15;bottom of rectangle Help!
February 8, 2012 by Cassie

Math
A triangle and trapezoid share a 15 inch base and a height of 10 inches. For what values of b is the area of the trapezoid less than twice the area of the triangle?
October 3, 2011 by Jessica

Physics
Three identical charges of 2.0 uC are placed at the vertices of an equilateral triangle, 0.15m on a side. Find the net force acting on each angle.
February 22, 2012 by Brandon

mathematics
The base of a pyramid is a regular hexagon consisting of six equilateral triangles with side of 30cm .Calculate the area of the base of the pyramid?
July 23, 2013 by Gail

math problem
The area A of a triangle with base b and height h is given by A = bh. Find the area when b = 24m (meters) and h = 12m.
August 22, 2008 by Ann

algebra
The area A of a triangle with base b and height h is given by A=1/2bh. Find the area when b=45m(meters) and h=86m.
May 27, 2011 by shawn

math
15.a. Find x. The figure is not drawn to scale. b. Is the triangle equilateral, isosceles, or scalene? Explain. connexus. com /content/media / 461958-3292011-34843-PM-1262076942/ res00000/ ppg /examview/ S_GEOMB_06_06_06_Unit_6B_Test / sa012-1.jpg 16.The equation (x + 6)2 + (y...
May 23, 2012 by dreamwishbelieve

Math
Find the surface area of rectangular pyramids 1. Length= 1.15ft Width=0.82 ft Height of the slanted face =3.17ft Surface Area=7.1879ft^2 Formula for Rectangular Pyramid Surface Area : B+1/2pl B=area of base p=perimeter of base l=height of slanted face
February 5, 2014 by Jerald

Math
I need help... I dont need the answer just how I would figure this out. Identify the hypotenuse of the triangle by giving its letter. It is a triangle with the left and bottom lines of the triangle as a right angle. The longest line of the triangle is the top. q, p, and r q ...
November 7, 2010 by Jewels

geometry
okay i have a few question... 1.Find the equation of a line through the points (-2, -5) and (-7, -5) 2. the three lengths 4, 6, 8, form a.not a triangle b.a right triangle c.an acute triangle d an obtuse triangel
March 25, 2008 by Hannah

help me please
find the area of each triangle to the nearest tenth. in triangle YZX x=12cm z=16cm measure of angle Y= 130 degrees in trianglE XYZ z= 11in. x= 7in. y= 13in.
December 8, 2011 by joe

Cosine Law
Find all missing sides/angles. Round each answer to the nearest unit. Angles/sides ABC (left to right) 1) Angle c= 70 deg side b= 28 yd side c= 26 yd 2) Side a= 18 cm Side b= 24 cm Side c= 28 cm
May 25, 2014 by Jane

geometry
Triangle ABC has side lengths 7, 24, and 25. Do the side lengths form a Pythagorean triple?
December 14, 2011 by Cindy

algebra
What is the width of a rectangle with a perimeter of 70 feet if its length is 1 foot? 2 feet? L.feet? perimeter = 2(length + width) If perimeter = 70 then 35= length + width Now substitute 1,2,and L and solve for width. how do you find the L. feet? L is supposed to be any ...
September 12, 2006 by christine

physics2
Charges are placed on an equilateral triangle (all angles are equal and equal to 60 degrees). The length of each side of the triangle is 5.7 meters. A charge of +7.1 micro-Coulombs is placed at the bottom corner of the triangle and another charge of +7.1 micro-Coulombs is ...
January 29, 2011 by kelly

Geometry
A line parallel to one side of a triangle divides one of the other sides into segments of lengths 15 and 9 and divides the third side so that the longest portion is 36. How long is the shorter portion of the third side?
April 4, 2011 by Kareem

geometry
Two sides of a triangle measure 4 inches and 9 inches. Determine which cannot be the perimeter of the triangle. A.19 inches, B.21 inches, C.28 inches, D.26 inches
March 28, 2011 by mel

math
The perimeter of a triangle is 226 inches. The length exceeds
June 26, 2009 by Anonymous

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

Mathematics
What is the perimeter of a triangle of length 6cm, 8cm, 10cm?
May 5, 2011 by Amala

geometry
if a right triangle has sides of 6 cm, 8cm, and 1 dm what is its perimeter in centimeters?
January 10, 2012 by kris

Geometry
Need help finding dimensions of a triangular prism. It has a volume of 900 cubic inches. Two of the dimensions are consecutive even numbers. Two of the dimensions are multiples of 5. All the dimensions are less than 16, but greater than 6. All lengths are different. The base ...
May 20, 2010 by Brett

Algebra
A triangle has the side lengths of 5 inches 12 inches and 15 inches every demention is multiplyed by 1/5 to form a new triangle how is the ratio of the perimeters related to the ratios corresponding sides?
October 25, 2010 by Joelseph

math
Triangle ABC is an equilateral triangle with side length AB=22. Place a point D on the line segment BC. Extend BC to the point E such that BD=CE. point E is defined as lying on BD and satisfying BD=CE.What is the value of DE?
June 16, 2013 by Anonymous

Algebra - area
I hope I can explain this. I can't draw the shape here, but it is a triangular prism that looks like a wedge of cheese. The height is 20 cm and the three sides are 13, 37, and 40 cm. There is also a line drawn from the corner of the two sides that are 13 and 37 cm, that makes ...
February 27, 2013 by Sylvia

math
on the right triangle, the adjacent side's top is T and the bottom is S. the hypotenuse's side equals 13. the oppisite side is equals 12. and the the point oppisite from the adjacent, is R. using this info, what is the sin. of R,the cos. of R, the sin of T, and the tan of T?
March 21, 2011 by anonymous

easy GEOMETRY!!
1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee
October 22, 2013 by keisha

math
.find the area of a triangle,to the nearest tenth of a square foot if its base is 4.25 feet andits altitude 6.30 feet
September 6, 2009 by chris

geometry
Jim has put a fence along the side AC of the triangular patch of land shown below. A right angle triangle ABC is shown having length of one leg equal to 6 meters. The measure of angle ABC is 90 degrees. A fence is shown on the hypotenuse of the triangle. The length of the ...
January 6, 2012 by sunny

math
5.is 3.671 less than 3.67 yes 6.A triangle has a base of 13 feet and an altitude of 7 feet. Find its area. 45.5 7.find the best buy on cashews a.12oz for $5.39 b.1lb4oz for $7.39 c.10oz for $4.89 d.1lb for $6.39 A. 12oz for $5.39 8.8gal7qt+3gal2qt= 6gal1qt
October 22, 2008 by deedee

geometry
1.The perimeter of parallelogram QUAD is 10 more than 5 times AU. If QU =26 cm. find AU 2.If diagonals of a rhombus are 10 cm and 24 cm. find the area and perimeter of the rhombus SOlutions pleaseeeeeee
December 13, 2014 by cyrus

Mathematics
Calculate the side of the square base.if the diagonal of the base of a square prism is 8,49 cm and the height is 12 cm
October 4, 2011 by Nomvuyiso

maths
Let ABC be a triangle.Draw median AD on BC.Draw median AE of triangle ABD on BD.Take a point on side AB say F and join CF. Now from D make a line parallel to CF such that the line cuts AB at G. Note- G lies between F and B. AD intersect CF and P. AE intersect GD at H. So BD=DC...
September 2, 2013 by nami

math - trig
Suppose ABC is a right triangle with sides of lengths a, b, and c and right angle at C. Find the unknown side length using the Pythagorean Theorem and find the following trigonometric functions of the indicated angle. Given: a = 4 and b = 7 Find: sin A, cot B, sec A, tan B
September 25, 2013 by Annika

Math
Triangle ABC is similar to triangle APQ, with angle CBA equal to angle QPA and angle A common to both triangles. The lengths of sides AB, AP and PQ are 90 cm, 60 cm and 30 cm. Calculate the length of side BC.
June 4, 2010 by Golkhadi nep

Calculus
The measurements of the base and altitude of a triangle are found to be 36 and 50 centimeters, respectively. The possible error in each measurement is 0.25 centimeter. Use differentials to approximate the possible propagated error in computing the area of the triangle.
December 16, 2013 by Lindsay

MATH
there is a triangle with a base of 2.4 m and both sides are 1.7 m. it is a right triangle. what the heck is the answer? i have an answer sheet and i know the answer is 41 but how do you get that answer?
March 4, 2010 by j

algebra
Write a function rule for the area of a triangle whose base is 4 ft more than the height. What is the area of the triangle when its height is 6 ft?
March 27, 2011 by thalia

Math-geometry
. 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 9, 2013 by PLEASE HELP

geometry
I got this problem wrong on a test and i want to know how to fix it. In triangle ABC, angle A is 20 degrees and side AC is 7.89 units, find the other sides and angles
March 29, 2011 by peter

pre calculus
janet worked on a garden shaped like a triangle with a base that is 5 m less than twice the height. If the area of the garden is 90 m^2, how long is the base and the height?
November 27, 2012 by abraham

algebra
find the lenngth of each side of the rectangle so that it has the given perimeter. p= 50 in length is 2L-5 width is L is my formaula i am needing to do this 50=2L-5+2*L i am looking at the formula of P=2L+2W do i have this written right should have been 50 = 2(2L-5) + 2L
March 29, 2007 by allen

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

Algebra
the longer legs of a right triangle is 20 cm more than twice the length of the shorter leg. The length of the hypotenuse is 22 cm more than twice the length of the shorter leg. Find the side lengths of the triangle
March 30, 2014 by Peter

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

math
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

circles
a. To find X, you will need to add the arc measures together and set this expression equal to the total degrees of a circle and then solve for X. Must show all work. b. Here are the steps to take (show all work) 1. Plug your x-value from a into each of the arc measures to find...
May 23, 2012 by lilman

geometry
ABCD is an isosceles trapezoid with a height of 4 inches and bases of 10 and 12 inches .What is the perimeter of this trapezoid in inches and feet . HINT:Only the bottom of the entire figure is 16 inches long, not the top
June 7, 2011 by Veronica

math i don't get it
If 6 equilateral triangles are placed side by side so that only two sides of each triangle touch one of the other triangles, what shape is formed? Please explain the answer.
December 17, 2012 by Anonymous

Math
If six equilateral triangles are placed side by side so that only two sides of each triangle touch one of the other triangles what shape is formed? We are thinking circle?
April 19, 2014 by Kelley

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
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

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

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

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