Questions on Word Problems: Geometry answered by real tutors!

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Question 768232: Jacqueline is painting a room, and she needs to know how much paint to buy. The room is 12 ft long by 15 ft wide by 10 ft high. A 3 ft by 6 ft door is on one of the 12 ft long walls, and a 5 ft by 3 ft window is on one of the 15 ft long walls. Each gallon of paint covers 350 ft2.
Jacqueline plans to paint one coat on the walls only. How much paint will she need to buy?
Click here to see answer by stanbon(75887)

Question 768286: please help me solve this problem.
an open box is to be contracted from a square piece of sheet metal be removing a square side 3 feet from each corner and turning up the edges. if the box is to hold 243 cubic feet, what should be the dimensions of the sheet metal?
Click here to see answer by solver91311(24713)

Question 768349: Prove that the points A(-4,-1), B(-2,-3), C(4,3), and D(2,5) are the vertices of a rectangle. Sketch the rectangle.
Click here to see answer by Alan3354(69443)

Question 768346: Prove that the points A(-4,-1),B(-2,-3),C(4,3), and D(2,5) are the vertices of a rectangle. Sketch the rectangle.
Click here to see answer by Alan3354(69443)

Question 768352: the area of a square field is 325m^2.find the approximate length of one side of the field.
Click here to see answer by Alan3354(69443)

Question 768348: Show by means of slopes that the four points (-4,-1), (3,8/3), (8,-4), and (2,-9) are vertices of a trapezoid(a quadrilateral with one pair of opposite sides parallel.
Click here to see answer by KMST(5328)

Question 768423: The radius of the earth is 3600000m. If this figure is rounded off to the nearest 10000,what is the least and greates possible valu of the radius?
Click here to see answer by Alan3354(69443)

Question 768489: A plane is flying at an altitude of 18,000 m. From the pilot, the angle of depression to the airport tower is 46�. How far is the tower from a point directly beneath the plane? Round your answer to the nearest whole number.
Click here to see answer by Alan3354(69443)

Question 768487: what is the area of a triangle if one leg is 2 root 3 ft. and the hypotenuse is 4 ft.
Click here to see answer by stanbon(75887)

Question 768488: The bottom of the ladder on a horizontal flat surface rests against a wall. It makes an angle of elevation of 35�. The bottom of the ladder is 42 ft from the base of the wall. How long is the ladder? Round your answer to the nearest whole number.
Click here to see answer by mananth(16946)

Question 768658: I have a right triangle with a height of 2+2x, the base is 30. How would I find out the height without another angle, Hypotenuse, or any other reference?
Click here to see answer by rothauserc(4718)

Question 769166: When the angle of elevation of the sun is $50^\circ$, find the length of the shadow, to the nearest foot, cast by a tree 33 feet tall.
Click here to see answer by Alan3354(69443)

Question 769236: If you're getting your concrete floor painted, how much will it cost for a 12' x 15' room @ $5.00 a sq. ft?...and how do I put in the labor?
Click here to see answer by stanbon(75887)

Question 769226: the area of sqare decreases 7 sq units by decreasing length 5 cms and by increasing breadth 3cms.if length increases 3 cms and breadth increases 2 cms then area
will increase 62 sq units.what is the lengh of the square�
Click here to see answer by josgarithmetic(39617)

Question 769304: Find the didtance between 4,4 and
-1,-4
Click here to see answer by MathLover1(20849)

Question 769538: Natasha's dorm room is shaped like a triangle. The college brochure says it has an area of 875 square feet. The room is 35 feet long. Determine the width of the room at its widest point.
Click here to see answer by Alan3354(69443)

Question 769786: a rectangular garden is 20 ft by 6 ft. Each jar of fertilizer cost $19.98 can fertilizer 500 in2. How much does it cost to fertilizer the garden?
Click here to see answer by josgarithmetic(39617)

Question 769852: if a square has the same area as a circle, whose radius is 1 unit in length. exactly how long is each side of the square.
Click here to see answer by ramkikk66(644)

Question 769928: If you have a string 88 cm long and make a circle what in the radius of the circle
Click here to see answer by Cromlix(4381)

Question 521326: The area of a rectangle is 270 squared cm. If the shorter side was reduced by 2cm and the longer side was increased by 4cm then the area would increase by 16 squared cm. Find the length of the sides of the original rectangle. (Thank you)
Click here to see answer by RiiRiiDaDragon(1)

Question 769978: The width of a rectangle is 1cm more than half the length. When both the length and the width are increased by 1cm, the area increases by 20cm^2. Find the original dimensions of the rectangle.
Click here to see answer by stanbon(75887)

Question 770004: I have an arch that is 7 ft high and 3 feet wide. what is the length of the arch?

Click here to see answer by Alan3354(69443)

Question 770011: what is the hypotenuse of a right triangle if one leg is 58 feet 5 and 1/2 inches and the other leg is 43 feet and 5 inches long
Click here to see answer by Alan3354(69443)

Question 770063: A rose garden is designed by joining a rectangle and a semicircle, as shown below. The rectangle is 21ft long and 15 ft wide. If the gardener wants to build a fence around the garden, how many feet of fence are required? (Use the value 3.14 for pi, and do not round your answer. Be sure to include the correct unit in your answer.)
Click here to see answer by josgarithmetic(39617)

Question 770108: one angle is twice another. what are their measures if they are complementary to each other.
Click here to see answer by Alan3354(69443)

Question 770126: if a panel of 3m,width 4m,depth 10m is filled with 6 cubic meter of concrete then what will be the height of concrete in that panel?
Click here to see answer by Cromlix(4381)

Question 770106: the length of a rectangle is 12 cm greater than its width, the perimeter of this rectangle is 60 cm. find its dimension.
Click here to see answer by Cromlix(4381)

Question 770151: One way to approximate the height of a tree is to measure its shadow and then measure the shadow of a known height. Use similar triangles and the diagram below to estimate the height of the tree. (Where x = 10 ft.)
Click here to see answer by Alan3354(69443)

Question 770150: A building 65 feet tall casts a shadow 20 feet long. A person 6 feet tall is walking directly away from the building toward the edge of the building's shadow. How far from the building will the person be when the person's shadow just begins to emerge from that of the building? (Round your answer to one decimal place.)

Click here to see answer by stanbon(75887)

Question 770209: the combined area of two squares is 68 square meters. the sides of the larger square are four timesas long as the sides of the smaller square. find the dimensions.
Click here to see answer by Alan3354(69443)

Question 770333: A tower and a building stand on the same horizontal level. From the point (P) at the bottom of the building, the angle of elevation of the top (T) of the tower is 65�. From the top (Q) of the building the angle of elevation of the of the top (T) is 25�. If the building is 20m high, calculate the distance PT. Hence calculate the height of the tower...
Click here to see answer by KMST(5328)

Question 770406: por favor ayudeme a resolver este problema. se monta una camara en un tipie de 4 pies de alto a una distancia de 10 pies de George que mide 6 pies. si la lente de la camara tiene angulos de depresion y elevacion 20� � vera la lente los pies y la cabeza de George? si no � cuanto debe moverse para atras la camara para incluir los pies y la cabeza?
Click here to see answer by josgarithmetic(39617)

Question 770721: The color of 1/5th of a pole is red , 1/3 is green and rest is white.If the lenghth of the part which is white is 7 meters. Find the length of the flag pole.
Click here to see answer by stanbon(75887)

Question 770753: One side of the figure has a area of 1,953 square feet and if the length is 63 what is the width
Click here to see answer by Cromlix(4381)

Question 770742: In a class of 80 students, every student studies Economics or Geography or both. If 65 students study Economics and 50 study Geography, how many study both subjects?
Click here to see answer by Jc0110(165)

Question 770796: A rectangular painting has a diagonal measurement of 13 inches and an area of 60 square inches. find the length and the width.
Click here to see answer by oscargut(2103)

Question 770981: How many pieces of strips that are 12 ft by 6 in. is needed to cover an area 600 squaare feet
Click here to see answer by Cromlix(4381)

Question 771069: Would a five inch square fit inside a six inch circle
Click here to see answer by Alan3354(69443)

Question 771093: the sum of the measures of two complementary angles is 90 degrees. If one angle measures 15 degrees more than twice the measure of its complement, find the measure of each angle.
I need to be able to write an equation and solve. Thank you!
Click here to see answer by solver91311(24713)

Question 771183: Kathleen is 6 feet tall. Her shadow is 3 feet long. At the same time of day, a tree casts a shadow that is 21 feet long. How tall is the tree?
Click here to see answer by Jc0110(165)

Question 771334: A normal distribution has mean 63 and standard deviation 5. Find the data value if the z-score is .22
Click here to see answer by jim_thompson5910(35256)

Question 771401: Line A has a slope of -4 and passes through (-25,-10). line B has x intercept of 10 and y intercept of 25.
a.)the distance of line A to point (8,-3).
b.)the point of intersection of lines A and B.
c.)determine the equation of the line perpendicular to line B and passing through (-20,10).

Click here to see answer by josgarithmetic(39617)

Question 771463: find the coordinates of the center of the circles x^2+y^2-2x-4y-31=0
Click here to see answer by Cromlix(4381)

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