Questions on Geometry: Area and Surface Area answered by real tutors!

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Question 1126290: the diameter of an iron ball used in putting the short is 12cm. the density of iron is 7.8g/cm^3. calculate the mass of the ball in kg to 3 significant figure.
Click here to see answer by josmiceli(19441)

Question 1126642: The minimum number of identical square tiles required to tile a large rectangular ballroom floor 85.8m by 136.5m is...
a) 750 b)690 c)810 d)770 e)725
Click here to see answer by greenestamps(13200)

Question 1126703: a) How many solutions are there of the equation 2^x=14-2x?
b) Solve 2^x=14-2x
Click here to see answer by FrankM(1040)

Question 1127400: A cone has a height of 5 cm and the area of base is 154 cm square. Find volume.

Click here to see answer by ikleyn(52781)

Question 1127403: a measuring cylinder contains 20 cm^3 of water. when 10 identical Steel balls are immersed in the water, the water level Rises to 50 cm^3.if one ball has the mass of 27 gram what is the density of the Steel in g cm^-3?
Click here to see answer by josgarithmetic(39617)

Question 1127444: The width of a rectangle is equal to m cm, but its length is five times greater than the width. Find the area of the rectangle.
Click here to see answer by FrankM(1040)

Question 1127444: The width of a rectangle is equal to m cm, but its length is five times greater than the width. Find the area of the rectangle.
Click here to see answer by addingup(3677)

Question 1127568: A lamp shade is in the form of a frudtum of a cone.the button radius is thrice the top radius and the height is 14cm,if the volume of a lamp shade is 763cm3.calculate the buttom radius

Click here to see answer by ankor@dixie-net.com(22740)

Question 1127629: A bucket inform of a frustum with a square base of length 10cm is used to store oil. If the height of the bucket is 20cm and one-third of the bucket is occupied., calculate
a) The total surface area of the bucket.
b) The whole volume of the bucket, in litres.
c) The volume occupied by the oil in litres
Note:express your answers to the nearest whole number
Click here to see answer by ikleyn(52781)

Question 1127853: what is the area of a rhombus that has a side along 15x-8y=72 and the opposite side through (6,-2)?
Click here to see answer by ikleyn(52781)

Question 1127903: I know that the diagonals of the regular icosahedron are 160. But without counting directly, how can we find out the number of diagonals of the regular icosahedron?
Click here to see answer by ikleyn(52781)

Question 1128294: OXYZ is a tetrahedron whose faces are identical equilateral triangles of sides 10m each . given that the slant height of the pyramid is 5 hole square 3m , find its total surface area
Click here to see answer by Alan3354(69443)

Question 1128669: Find, correct to 1 decimal place, the percentage areas for these situations.
a) The largest square inside a circle.
b) The largest circle inside a square.
c) The largest square inside a right isosceles triangle.
d) The largest circle inside a right isosceles triangle.
Click here to see answer by KMST(5328)

Question 1129225: the floor plan of a room in a house is shown the room will be carpeted and quarter round molding will be late around the edges of the room determine the length of quarter round that will be required allow for the 7 foot patio doors and the two three foot wide doors in the room round to the nearest foot determine the number of square yards of carpet that will be needed round to the nearest square yard.
Click here to see answer by greenestamps(13200)

Question 1129305: A tap is leaking at the rate of 23cm^3 per second into an empty container with capacity of 45 litres. how long will it take to fill the container
Click here to see answer by ikleyn(52781)

Question 1129383: A hectare metre is the volume required to cover one hectare of area one metre deep. The number of hectare metres of water needed to cover a 62 1/2 hecatre area with water 76 4/5 cm deep is...
Click here to see answer by Boreal(15235)

Question 1129471: The distances between objects in space are so great that units other than miles or kilometers are often used. For example, the astronomical unit (AU) is the average distance between Earth and the sun, or 92,900,000. Use this information to convert the distance of some planet in miles from its star to astronomical units. The planet is 2789 million miles from the star.
The distance between the planet and the star is ___________AU (Type an integer or decimal rounded to three decimal places as needed.)
The surface area of the box is ____________ (in or cu. in. or sq.in)
Click here to see answer by Alan3354(69443)

Question 1129651: . A fence is built across the garden. The garden is 120 meters wide. One quarter of the
fence is off the left side of the garden and one quarter of the fence is off the right side
of the garden. How long is the fence?
Click here to see answer by MathLover1(20849)

Question 1130308: A fence is built across the garden. The garden is 120 meters wide. One quarter of the fence is off the left side of the garden and one quarter of the fence is off the right side of the garden. How long is the fence?

Click here to see answer by ikleyn(52781)

Question 1130317: Calculate the area of triangle ABC with altitude, CD, given:
A(�6, �4), B(6, 5), C(�1, 6), and D(2, 2).
Round your answer to the nearest tenth if necessary.

Click here to see answer by Boreal(15235)

Question 1130402: If the perimeter of the triangle is 224 cm, find the value of x and the area of the triangle.

Height: 2x-20
Base: 3x + 24
Slant: 6x - 44
https://gyazo.com/30e97aed0e99d35fb6e0595b8e571aa3

Click here to see answer by Alan3354(69443)

Question 1130611: A warmer cultivates rice in a rectangular field measuring 150m by 100 m . If the yield is 1.25 kg per sq. M, find the total yield in quintals. ( 1 quintet =100 kg)
Click here to see answer by Boreal(15235)

Question 1130687: Region R is bounded by the curve y = x^2 + 2 and the line y = 6 - x^2 . Find intersection point between two graph and area of R. Sketch the graph.
Click here to see answer by htmentor(1343)

Question 1131059: Find the total surface area of a solid, right circular cone of a height 4 cm and radius 3 cm
Click here to see answer by Alan3354(69443)

Question 1131059: Find the total surface area of a solid, right circular cone of a height 4 cm and radius 3 cm
Click here to see answer by MathLover1(20849)

Question 1131514: The perimeter of a right triangle is 42 and the sum of the squares of its 3 sides is 722. Determine the area of the right triangle.
Click here to see answer by Alan3354(69443)

Question 1131931: A new statue is being installed in a park.
The statue has a circular base with a radius of 4.5 meters.
Surrounding the statue will be a gravel walkway, as shown in the shaded part of the diagram.
Find the area of the gravel walkway. Round your answer to the nearest tenth using 3.14 for π

A. 15.8 m2

B. 15.75 m2

C. 49.5 m2

D. 20.3 m2

Click here to see answer by josgarithmetic(39617)

Question 1131936: A 40-foot board is cut into two pieces so that the second piece is 4 feet longer than 5 times the first piece. Find the length of each piece.
Click here to see answer by addingup(3677)

Question 1132041: A picture measures is 30cm by 15cm. The mat around the picture is 10 cm wide. Find the area of the mat.
Click here to see answer by MathLover1(20849)

Question 1132041: A picture measures is 30cm by 15cm. The mat around the picture is 10 cm wide. Find the area of the mat.
Click here to see answer by ikleyn(52781)

Question 1132292: Find the area of an equilateral triangle inscribed in a circle circumscribed by a square made by joining the mid points of the adjacent sides of a square of side "a" ?
Click here to see answer by addingup(3677)

Question 1132687: Mrs. Daniel is cutting a square out of a bigger square for an art project. She cuts out a square with an area
of 9 cm2
. The leftover area is 16 cm2
. What is the length of one of the sides of the bigger square? The area of a
square is A = l2 where l is the length of one of its sides.
Click here to see answer by josmiceli(19441)

Question 1132707: How do we represent 3 consecutive numbers if the first number is n?
Click here to see answer by ikleyn(52781)

Question 1132710: In the rule 3n-2 , what is the 7th term
Click here to see answer by MathLover1(20849)

Question 1132922: An artist makes paperweights in the shape of square pyramids. The paperweights are filled with yellow sand. How much sand does the artist need to fill this paperweight?
Click here to see answer by ikleyn(52781)

Question 1132920: A water sprinkler sends water out in a circular pattern. How large is the watered area if the radius of the watering pattern is 14 ft?
The watered area is about
nothing ft-squared.
Click here to see answer by Alan3354(69443)

Question 1132921: The radius of a circle is 8 cm. 3 x plus 7 represents the length of the diameter. Write an equation for x. Then find the value of x.
Click here to see answer by Alan3354(69443)

Question 1132919: An oval track is made by enclosing semicircles on each end of a 48 m by 96 m rectangle. Find the area enclosed by the track. Use 3.14 for pi.

Click here to see answer by Alan3354(69443)

Question 1132918: An oval track is made by enclosing semicircles on each end of a 48 m by 96 m rectangle. Find the area enclosed by the track. Use 3.14 for pi.

Click here to see answer by Alan3354(69443)

Question 1132966: The perimeter of a right triangle with side lengths that are integers, and having the same area as a rectangle with dimensions 36 cm by 45 cm, is in cm...?
Click here to see answer by Alan3354(69443)

Older solutions: 1..45, 46..90, 91..135, 136..180, 181..225, 226..270, 271..315, 316..360, 361..405, 406..450, 451..495, 496..540, 541..585, 586..630, 631..675, 676..720, 721..765, 766..810, 811..855, 856..900, 901..945, 946..990, 991..1035, 1036..1080, 1081..1125, 1126..1170, 1171..1215, 1216..1260, 1261..1305, 1306..1350, 1351..1395, 1396..1440, 1441..1485, 1486..1530, 1531..1575, 1576..1620, 1621..1665, 1666..1710, 1711..1755, 1756..1800, 1801..1845, 1846..1890, 1891..1935, 1936..1980, 1981..2025, 2026..2070, 2071..2115, 2116..2160, 2161..2205, 2206..2250, 2251..2295, 2296..2340, 2341..2385, 2386..2430, 2431..2475, 2476..2520, 2521..2565, 2566..2610, 2611..2655, 2656..2700, 2701..2745, 2746..2790, 2791..2835, 2836..2880, 2881..2925, 2926..2970, 2971..3015, 3016..3060, 3061..3105, 3106..3150, 3151..3195, 3196..3240, 3241..3285, 3286..3330, 3331..3375, 3376..3420, 3421..3465, 3466..3510, 3511..3555, 3556..3600, 3601..3645, 3646..3690, 3691..3735, 3736..3780, 3781..3825, 3826..3870, 3871..3915, 3916..3960, 3961..4005, 4006..4050, 4051..4095, 4096..4140, 4141..4185, 4186..4230, 4231..4275, 4276..4320, 4321..4365, 4366..4410, 4411..4455, 4456..4500, 4501..4545, 4546..4590, 4591..4635, 4636..4680, 4681..4725, 4726..4770, 4771..4815, 4816..4860, 4861..4905, 4906..4950, 4951..4995, 4996..5040, 5041..5085, 5086..5130, 5131..5175, 5176..5220, 5221..5265, 5266..5310, 5311..5355, 5356..5400, 5401..5445, 5446..5490, 5491..5535, 5536..5580, 5581..5625, 5626..5670, 5671..5715, 5716..5760, 5761..5805, 5806..5850, 5851..5895, 5896..5940, 5941..5985, 5986..6030, 6031..6075, 6076..6120, 6121..6165, 6166..6210, 6211..6255, 6256..6300, 6301..6345, 6346..6390, 6391..6435, 6436..6480, 6481..6525, 6526..6570, 6571..6615, 6616..6660, 6661..6705, 6706..6750, 6751..6795, 6796..6840