Tutors Answer Your Questions about Surface-area (FREE)
Question 1149602: A farmer has fenced off his housing area, which is shown in the diagram below. There is a post at each of the points A and F, to which the farmer sometimes attaches a 30m rope that is tied to his donkey. This provides the donkey with either one of two grazing areas outside the housing area. Find the difference in the areas available for grazing, in m2.
Diagram: https://imgur.com/a/xRRw3rz
Click here to see answer by josmiceli(19441)  |
Question 1149719: Another question I wanted to know for my homework is ''Jerome has ordered a custom made circular cylindrical fish tank that will be 5 feet wide and about 6 feet high. How many cubic feet of water will be needed to fill the tank( Assume the water level needs to stay 6 inches below the top of the tank when full) use 3.14 as an estimate for Pi. Round answer to the nearest hundredths
Click here to see answer by josgarithmetic(39617) |
Question 1149717: hi my question I encountered is ''Julia, who is 2 meters tall, wishes to find the height of a tree. she walks from the base of the tree along the shadow of the tree until her head is in a position where the the tip of her shadow exactly overlaps the end of the tree top's shadow. The trees shadow is 29.3 meters long. Julia's shadow is 9.75 meters long. How tall is the tree? the answer has to be rounded to hundredths''
Click here to see answer by josgarithmetic(39617) |
Question 1150453: A 3 by 3 by 3 cube has three holes, each with a 1 by 1 cross-section running from the centre of
each face to the centre of the opposite face. What is the total surface area (in square units) of the
resulting solid?
Click here to see answer by ikleyn(52781)  |
Question 1151112: In the diagram below AEFD is a rectangle. G and H are midpoints of EK and FK respectively, and K is the midpoint of AD. Find the area of the shaded region, in m^2.
Do the midpoints signify anything about the triangles?
Diagram: https://imgur.com/a/tzySxdO''
Click here to see answer by greenestamps(13200)  |
Question 1151111: In the diagram below, point X is the intersection of the two diagonals TW and UV of the cubical box illustrated. The shortest distance from point T to point Z is 4 sqrt3 cm. Find the area in cm2, of triangle XYZ.
Diagram: https://imgur.com/a/ciK5pIK
Click here to see answer by greenestamps(13200)  |
Question 1151099: In the diagram below, point X is the intersection of the two diagonals TW and UV of the cubical box illustrated. The shortest distance from point T to point Z is 4 sqrt3 cm. Find the area in cm2, of triangle XYZ.
Sry bout the other one.
Diagram: https://imgur.com/a/ciK5pIK
Click here to see answer by MathLover1(20849)  |
Question 1152040: The walls and ceiling inside your bedroom need to be painted. To save money, you decide that you will paint the bedroom yourself. Use the following information to solve this problem:
• The bedroom is 17 feet long by 18 feet wide, and the ceiling is 9 feet high.
• The inside of the bedroom door will be painted the same color as the walls.
• Two coats of paint will be applied to all of the painted surfaces.
• The room has one window, measuring 3 feet, 9 inches by 4 feet, which will not be painted.
Click here to see answer by Boreal(15235)  |
Question 1152129: A building in the shape of a cube has a width of 45ft a length of 45ft and a height of 45ft . An architect want to build a scale model of the building that is 30% smaller in volume . What is the height of the new building ? Round to the nearest hundredth
Click here to see answer by Theo(13342)  |
Question 1152265: A rectangular field measures 90 meters by 126 meters. What will it cost to cover the field with pallets of grass each covering 90 square yards and costing $205 per pallet? (Hint: 1 yd almost equals 0.9 m)
Click here to see answer by ikleyn(52781)  |
Question 1152338: Tristan is working on dilating rectangles. Rectangle ABCD is dilated by a
factor of 3. The resulting rectangle WXYZ has an area of 72 cm2. Tristan
found that the area of rectangle ABCD must be 8 cm2. Is he correct?
A. No, because he needs to divide the area of rectangle WXYZ by 3.
B. No, because he needs to multiply the area of rectangle WXYZ by 3.
C. Yes, because he needs to find the possible dimensions for rectangle
WXYZ and then divide each dimension by 3.
D. Yes, because he needs to find the possible dimensions for rectangle
WXYZ and then multiply each dimension by 3.
Click here to see answer by ikleyn(52781)  |
Question 1152338: Tristan is working on dilating rectangles. Rectangle ABCD is dilated by a
factor of 3. The resulting rectangle WXYZ has an area of 72 cm2. Tristan
found that the area of rectangle ABCD must be 8 cm2. Is he correct?
A. No, because he needs to divide the area of rectangle WXYZ by 3.
B. No, because he needs to multiply the area of rectangle WXYZ by 3.
C. Yes, because he needs to find the possible dimensions for rectangle
WXYZ and then divide each dimension by 3.
D. Yes, because he needs to find the possible dimensions for rectangle
WXYZ and then multiply each dimension by 3.
Click here to see answer by greenestamps(13200)  |
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