Questions on Word Problems: Geometry answered by real tutors!

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Question 1092753: The diameter of base of a chimney is 80cm. height is 12.5 m. What will be the cost of painting this chimney from outside at the rate of Rs 140 per square metre? π=3.14
Click here to see answer by ikleyn(52778)

Question 1092759: What are the coordinates of centre of the circle given by the equation x
2 −2x+y
2 + 4y = 0?

Click here to see answer by ikleyn(52778)

Question 1092750: Plz help me to do this sum :- The diameter of base of a chimney is 80 CM and hieght is 12.5 m. What will be the cost of painting this chimney from outside at the rate of Rs 140 per square metre? π=3.14
(Plz reply me fast. It's argent.)

Click here to see answer by Theo(13342)

Question 1092779: For his birthday, Bert gets a box that holds 125 jelly beans when filled to capacity. A few weeks later, Carrie gets a larger box full of jelly beans. Her box is twice as high, twice as wide, and twice as long as Bert's. Approximately, how many jelly beans did Carrie get?
Thank you for your help.

Click here to see answer by richwmiller(17219)

Question 1092922: you and your best friend are both on the swim team. You want to beat your friend at the next swim meet so you decide to swim 151515 minutes longer than she does one day at practice.
Write an equation for the number of minutes you swim, y, when your friend swims x number of minutes

Click here to see answer by Alan3354(69443)

Question 1093030: Rectangular boxes A and B were constructed using exactly 96 square feet of plywood apiece. Assume that the plywood is sufficiently thin that overlap of materials in the construction of the boxes can be ignored.
Box A has a square base 4 feet in length and 4 feet in width.
Box B has a square base 6 feet in length and 6 feet in width.
Then Area of A & B ?
Click here to see answer by greenestamps(13198)

Question 1093090: (picture of the problem) https://imgur.com/pci4KhW
Complete the list of missing values below, Given: AB is congruent to BF, CB is congruent to CF, triangle DEF is equilateral, and = 40deg.
(same as first link but only the triangle) https://imgur.com/4b3QvKW

Click here to see answer by Boreal(15235)

Question 1093123: The area of a parallelogram is 91 sq. units. Find the base and height.
Base: 2x+1
Ht: x+1
Click here to see answer by greenestamps(13198)

Question 1093192: Find the distance between (1, -2) and (-4, 3).

Click here to see answer by Boreal(15235)

Question 1093194: Problem 2: Given ABCD is a parallelogram, what value must x & y have?
(picture of the problem) https://imgur.com/Zr7GLjL
Click here to see answer by Boreal(15235)

Question 1093187: Problem 2: Given ABCD is a parallelogram, what value must x & y have?

(picture of the problem) https://imgur.com/Zr7GLjL
Click here to see answer by Boreal(15235)

Question 1093622: What are the dimensions of a regulation football field
Click here to see answer by Alan3354(69443)

Question 1093621: How many linear yards of paint will be needed to only paint the outline of a football field.
Click here to see answer by Alan3354(69443)

Question 1093619: Each step Mark takes is 2 1/2 feet long. How many full steps would it take Mark to walk around the perimeter of a square with the area of 20736 ft
Click here to see answer by Alan3354(69443)

Question 1093765: Abby's job is to order stone slabs for her customers. Each slab measures 1 meter x 1 meter. Abby works out the number of slabs that will be needed to surround pools. For example, a pool that is 2 x 2 will require 12 stone slabs. Each side of the pool must be a whole number of meters long.
Work out a formula that she can use to easily calculate the number of stone slabs that will be needed to surround any pool. Let x be the width of the pool and y be the length of the pool.
Click here to see answer by josmiceli(19441)

Question 1093791: The longest side of the triangular section is
8 feet shorter than twice the shortest side. The third side is
4 feet longer than the shortest side. The perimeter is
60 feet. How long is each side?
Click here to see answer by addingup(3677)

Question 1093905: A car left the house and travelled at an average speed of 60 kph. How many minutes will take it for the car to reach the school which is 8 km away from the house

Click here to see answer by ikleyn(52778)

Question 1093916: The measure of each of the base angles of an isosceles triangle is 24 degrees less than the measure of the vertex angle. Find the measure of the vertex angle.
Click here to see answer by josgarithmetic(39617)

Question 1094181: The center of a stained glass window in the shape of an isosceles triangle contains a blue glass piece that is also an isosceles triangle and similar to the window. If the ratio of a side of the window to the base is 3 to 2 and the side of the blue piece is 2 inches longer than the base of the blue piece, what is the length of the base of the blue triangle

Click here to see answer by greenestamps(13198)

Question 1094313: Sally says that all cones with a base circumference of 8(pi) inches will have the surface area. Is Sally correct? Explain.
Click here to see answer by Alan3354(69443)

Question 1094410: A board 75 feet long is cut into two pieces such that the length of one piece is two-thirds of the length of the other piece. Find the length of the shorter piece of board
Click here to see answer by josgarithmetic(39617)

Question 1094439: What is the value of k if point P(k, k $\sqrt{ 3}$ ) is 4 units from the line 5x+3y=12?

Click here to see answer by Alan3354(69443)

Question 1094439: What is the value of k if point P(k, k $\sqrt{ 3}$ ) is 4 units from the line 5x+3y=12?

Click here to see answer by ikleyn(52778)

Question 1094438: Find the equation of a straight line that is perpendicular to 5x�y=1 and is such that the area of the triangle formed by the x- and y-axes is equal to 5.

Click here to see answer by ikleyn(52778)

Question 1094460: What is the value of k if point P(k, k square root 3 ) is 4 units from the line 5x+3y=12?

Click here to see answer by ikleyn(52778)

Question 1094441: Points R(1, 3), S(�2, �1), and T(5, �1) are vertices of a parallelogram. Give the coordinates of three possible points of the other vertex.

Click here to see answer by KMST(5328)

Question 1094508: Hi, this is more of a calculus problem and I didn't really know where to go for help.
Bob, who is 2m tall walks away from a lamppost that is 6 meters tall at a constant rate of 1.5 meters per second. Draw a picture of the situation labeling the known sides. Let x be the distance between the base of the lamp and Bob's feet. Let y be the distance between Bob's feet and the tip of his shadow. Let z be the distance between Bob's head and the tip of the shadow.
A. Determine the relationship between x and y using the triangles drawn. Express y in terms of x.
For A, I got that
B. Find a formula to show how fast the length of Bob's shadow is increasing with respect to time as Bob walks away from the lamppost.
For B, I don't know where to start with making the equation.
C. Determine the relationship between y and z, using the triangles drawn.
To do this, would we have to assume that the triangles are right triangles so that I can use Pythagorean Theorem?
D. Find a formula to show how fast the distance between Bob's head and the tip of his shadow is increasing. Evaluate when he is 7m from the lamp.
I understand how to take derivatives, but, I don't know where to start with the equation. Please help me understand this, my teacher said these related rates are easy.
Thanks!!
Click here to see answer by jim_thompson5910(35256)

Question 1094520: A triangular space in the shape of a right triangle is to be surrounded on its edge by pebbles. The first side of the space is 6 m. The second side is to be 2m longer than the third side. To the nearest tenth, what are the lengths of the second and third sides?
Click here to see answer by greenestamps(13198)

Question 1094564: A wooden railing is 82m long. It is to be divided into 4 pieces. 3 pieces will be the same length and the fourth piece will be 2m longer than each of the other three
Click here to see answer by addingup(3677)

Question 1094653: The length of a rectangle should be 10 m longer than two times the width if the link must be between 34 and 58 m long what are the restrictions for the with M ?
Click here to see answer by ikleyn(52778)

Question 1094695: The length of a rectangle is 16 centimeters less than five times its width. Its area is 45 square centimeters. Find the dimensions of the rectangle.
Click here to see answer by addingup(3677)

Question 1094812: paul walks 2\pi units around the unit circle. how far does he walk when he goes completely around the square once?
Click here to see answer by Alan3354(69443)

Question 1094937: Can someone please help with this problem? I thought I did it right but I got it wrong on my homework. Thanks
A room that is 13.75 feet wide and 28.5 feet long is carpeted. The cost is $31.10 per square yard, and the installation cost is $167.00. The total cost of carpeting is $____________.
Round to the nearest penny and do not include the dollar sign in your answer. Note that you have to buy a full square yard of carpeting
MY ANSWER: 1521.15
Click here to see answer by josgarithmetic(39617)

Question 1094953: American football feild measure 100 yards long between the end zones, and are 53 1/3 yards wide. is the lenght of the diagonal across the feild more or less that 120 yards? Explain.
Click here to see answer by Alan3354(69443)

Question 1095018: The area of the floor in a square room is 81 square feet. What is the one side?
Click here to see answer by Boreal(15235)

Question 1095017: Application Problem- The length of the pool area is 30 square feet, and the width is 22 feet. The area of the pool itself is 198 Square feet. What is the remaining area of the yard that is not the pool?
Click here to see answer by Boreal(15235)

Question 1095221: The sum of the two angles is 180�. Their difference is 70�. Find the angles.
Click here to see answer by josgarithmetic(39617)

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