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

Tutors Answer Your Questions about Surface-area (FREE)

Question 542940: To the nearest tenth of a cubic inch, how much volume is added to a spherical balloon whose radius grows from 10 to 20 inches long?
Click here to see answer by Alan3354(30993)

Question 544409: A triangle has a base of 6 ft and a height of 4 ft. What is the area?

Click here to see answer by rfer(12660)

Question 544830: For the right rectangular prism (or box) shown, the dimensions are = 12 in, w = 4 in,and h = 3 in. How long is a diagonal of the box?
Click here to see answer by stanbon(57347)

Question 544863: How to find the surface area for 12cm and round it to the nearest tenth.(using spheres)

4 x 3.14 x r^2
4 x 3.14 x (6)^2
144 pi=452.39
Click here to see answer by fcabanski(874)

Question 546227: The radius of a right circular cylinder is 5cm and the volume of the cylinder is 245 pi cm cubed. What is the length of the cylinder?
Click here to see answer by Alan3354(30993)

Question 546301: Find the volume of a cylinder whose base has a diameter of 20 meters and whose height is 9 meters.
Click here to see answer by Alan3354(30993)

Question 546475: A paper box without a lid is 25 cm long, 16 cm wide and 5 cm deep. How many square centimeters of paper have been used to make the box.
Click here to see answer by stanbon(57347)

Question 546733: Area = 18 in squared
height = 12 in
base =

Click here to see answer by umnikmo(75)

Question 547465: How do I find the area of an equilateral triangle if I am only given the height? The height (in this case) is 16.
Thank you
Click here to see answer by oberobic(2304)

Question 547616: how do you find the volume of a cube with edges of 5 1/3inches?
Click here to see answer by Alan3354(30993)

Question 547817: A regular hexagon has a perimeter of 54cm. What is the measurement of each angle?
Click here to see answer by josmiceli(9678)

Question 548141: what is the volume of a squre
Click here to see answer by josmiceli(9678)

Question 548207: Show all the formulae related to surface and volume of cuboid, cube, cylinder, cone, sphere and hemisphere also draw the labled diagram of each
Click here to see answer by Alan3354(30993)

Question 548152: How do you find the area and perimeter of an isosceles trapezoid that is graphed on a graphing plane?
Click here to see answer by solver91311(16885)

Question 548536: the length of a rectangle is three inches more than the width. The area of the rectangle is 418 inches. find the width of the rectangle
Click here to see answer by mananth(12270)

Question 548964: what is the surface area of a cylinder with height 9 cm and radius 1.1
Click here to see answer by mananth(12270)

Question 549131: Find the perimeter of a rectangle that is eleven feet long and 7 feet wide?
Click here to see answer by rfer(12660)

Question 549146: Hi there i hope you can help.
i need to work out the price of grass seeding.
i have worked out that need 122m squared of grass seed spread.
The price is spread (75g/ m squared) at £8.75 per 2.5kg box
I have completely lost all sense on this. can you help please.
Click here to see answer by stanbon(57347)

Question 549282: shanti sweets stall was placing an order for making cardboard boxes for packing their sweets.Two sizes of boxes were required.The bigger of dimensions 25cm*20cm*5cm and the smaller of dimensions 15cm*12cm*5cm.For all the overlaps, 5% of the total surface area is required extrs.If the cost of the cardboard is rs 4 for 1000 cm2 , find the cost of cardboard required for supplying 250 boxes of each kind.
Click here to see answer by mananth(12270)

Question 549323: An object is 81 inches long, 37 inches high and 8 inches deep. What is the square footage?
Click here to see answer by stanbon(57347)

Question 549513: how to find the circumference of a circle
Click here to see answer by mananth(12270)

Question 549543: hello please help me ans these question it is a revision of mathematics i was doing and got stuck. i am having an exam to write tomorrow.

[The value of is 3.142, correct to three decimal places.]
[The volume of a sphere is πr
3
.]
The diagrams show two ways of packaging 4 identical balls.
The radius of each ball is 3 cm.
Diagram I shows a closed rectangular box with a square base.
Each ball touches the top, the bottom and two sides of the box.
Each ball also touches two other balls.
Diagram II shows a closed cylinder.
The balls touch the ends and the side of the cylinder.
(a) (i) Write down the dimensions of the rectangular box. [1]
(ii) Calculate the total surface area of the outside of this box. [2]
(b) Calculate the total surface area of the outside of the cylinder. [2]
(c) Calculate the total volume of the 4 balls. [2]
(d) Calculate, correct to three decimal places, the value of
volume of the cylinder
––––––––––––––––––– . [2]
volume of the box
(e) Hence state which of the two containers has more space not occupied by the balls. [1]
Click here to see answer by Alan3354(30993)

Question 549628: A square and rectangle have equal area. The rectangle is 32 cm by 18 cm. What is the perimeter of the square in centimeters?
Click here to see answer by solver91311(16885)

Question 550013: what is the area of the leaning tower of Pisa?

Click here to see answer by Alan3354(30993)

Question 550010: 1. A swimming pool is 8 m long, 6 m wide and 1.5 m deep. The water resistant paint needed for the pool costs $6 per square meter.
a. How much will it cost to paint the interior surfaces of the pool?
b. How many liters of water will be needed to fill it?
2. The height of a cylinder is the same length as the circumference of its base. Its measured height is 125.66 cm. Calculate the surface area and volume of the cylinder.
4. A cube with an edge of 20 cm is filled with water. Would this amount of water fit in a sphere with a 20 cm radius?
5. How many square tiles (20 cm x 20 cm) are needed to coat the sides and base of a pool which is 10 m long, 6 meters wide and 3 m deep?
6. A 10 m long ladder is leaning against a wall. The bottom of the ladder is 6 m from the base of where the wall meets the ground. At what height from the ground does the top of the ladder lean against the wall?
7. A chord of 48 cm is 7 cm from the center of a circle. Calculate the area of the circle.
8. A square garden with a side length of 150 m has a square swimming pool in the very centre with a side length of 25 m . Calculate the area of the garden.
9. A wooded area is in the shape of a a trapezoid whose bases measure 128 m and 92 m and its height is 40 m. A 4 m wide walkway is constructed which runs perpendicular to the two bases. Calculate the area of the wooded area after the addition of the walkway.

Click here to see answer by Alan3354(30993)

Question 549075: What is the surface area of a cylinder with base radius 3 and height 8?
Click here to see answer by jim_thompson5910(28595)

Question 550090: We have 46ea., 6x6inch tiles. How big and area will all of these together cover?
Click here to see answer by fcabanski(874)

Question 550409: Find the area of the triangle who sides measures 18.5 cm,14.1 cm,13 cm, 12 cm
Click here to see answer by Alan3354(30993)

Question 550537: The problem is talking about surface area and the number for height is 2ft and for length is 3ft and the width is 3ft and the answer i got is 48ft squared
Click here to see answer by fcabanski(874)

Question 550584: a rectangular shaped swimming pool is 12.5meters long and 10.5meters wide when my sister swims from one corner to the other corner diagonally opposite , how many meters to the nearest tenth of a meters does she swim ? . (please with solutions )
Click here to see answer by mananth(12270)

Question 550686: How many gallons of water will i need for a pond to ith these measurments 3ft 37 inches 4ft 54inches n 1ft 16
Click here to see answer by Alan3354(30993)

Question 550685: How many gallons of water will i need for a pond to ith these measurments 3ft 37 inches 4ft 54inches n 1ft 16
Click here to see answer by Alan3354(30993)

Question 551150: alex has two congruent cubes A and B. Cube A has a surface area of 540 in2. What the area of one face of cube B?
Click here to see answer by JBarnum(2044)

Question 551150: alex has two congruent cubes A and B. Cube A has a surface area of 540 in2. What the area of one face of cube B?
Click here to see answer by Alan3354(30993)

Question 551332: What is the area of a regular hexagon whose sides are each 12 inches long? (Round to the nearest square inch.)
Click here to see answer by Alan3354(30993)

Question 551405: A chord of 48 cm is 7 cm from the center of a circle. Calculate the area of the circle.

Click here to see answer by ankor@dixie-net.com(15652)

Question 552108: find the cost of painting the all round surface of a box with dimensions 60 cm long,40 cm wide,30 cm high at 50 paise per 20 cm square
Click here to see answer by mananth(12270)

Question 552027: What is the missing length in a box with 1480 suface area and 18 and 10 as two of the side lengths
Click here to see answer by ankor@dixie-net.com(15652)

Question 552501: The perimeter of a square is 48 cm. What is the area?
Click here to see answer by mananth(12270)

Question 552829: What is the area of a triangle with the base of 20 inches and the height of 5 inches?
Click here to see answer by stanbon(57347)

Question 553181: how do i find the length of the radius if the circumference 10 feet?

Click here to see answer by stanbon(57347)

Question 553181: how do i find the length of the radius if the circumference 10 feet?

Click here to see answer by solver91311(16885)

Question 553305: What is the area of a rectangle with length of 16 inscribed in a circle with a radius of 10
Click here to see answer by prateekagrawal(56)

Question 553374: How do I find the area of a shaded region - of a circle?
Click here to see answer by Alan3354(30993)

Question 553684: What is the number of square feet of steel plate required for a triangle with a height of 48" and a base of 66"
how do i figure this out???
Click here to see answer by Theo(3464)

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