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

Tutors Answer Your Questions about Surface-area (FREE)

Question 526384: The perimeter of an equilateral triangle is 96 centimetres.
What is the length of one side?
Click here to see answer by jim_thompson5910(35256)

Question 525777: how do you find the surface area of a triangular pyramid?

Click here to see answer by richard1234(7193)

Question 526495: an open tin box, 21cm long,9cm wide,8cm high,is fitted with a tin lid which overlaps to the depth of 1cm all around. what is the total area of the tin sheeting used for the box and the lid?
Click here to see answer by ankor@dixie-net.com(22740)

Question 527661: The diameter of the room is 6 yards. What is the area of the floor? Use 3.14 to approximate pi.

Click here to see answer by rfer(16322)

Question 529159: A square pyramid has a surface area of 132 square inches. The base of the pyramid has an area of 36 square inches. What is the height of each side of the pyramid?
Click here to see answer by MathLover1(20849)

Question 529881: A cylinder has a height of 1.5 inches and a total surface area of 4pi square inches. What is its approximate radius rounded to the nearest hundredth?
Click here to see answer by ankor@dixie-net.com(22740)

Question 530396:
A sector-shaped piece of canvas is wrapped around a frame to make a right circular cone which is being used as a tent. If the canvas has an area of 11.9 m2, and a radius of 2.33 m, determine the value of the subtended angle (θ, in radians), and the base diameter and height of the finished tent.
I've found the first part of the question - subtended angle of 4.38.
I'm not sure how to solve for the base and height. Can you please lead me in the right direction
Thanks!!
Click here to see answer by stanbon(75887)

Question 531800: Hi everyone, I am having trouble on this example word problem, any help would be greatly appreciated. thank you.
Can a triangle have more than one "obtuse" angle? Why or why not?� Which value would relate to how much wrapping paper needed for a large package: the perimeter of the box or the surface area of the box?
Click here to see answer by solver91311(24713)

Question 531792: the area of the square base of a building is 2025 square feet. what is teh length of one side of the base?

Click here to see answer by solver91311(24713)

Question 532282: How do I find the area of a rectangle if I only know the perimeter and the width?
Click here to see answer by stanbon(75887)

Question 532312: My yard is 9 meters long and 8 meters wide. And how many meters of fencing will i need to cover the enitre yard?
Click here to see answer by oberobic(2304)

Question 532911: What is the area of a rectangle with width of 2 and length of b+7?
Click here to see answer by oberobic(2304)

Question 533177: The are of the circle is 89.42 sq.inch. What is the circumference?

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

Question 533713: What is a pools diameter of a pool that is 200 feet round
Click here to see answer by lmeeks54(111)

Question 534176: A curtain is to be hung in a hospital room to give privacy. The path the curtain will follow is a rectangle with the wall being one side. If 27 ft of the curtain is used the the side parallel to the wall is 3 ft shorter than the two longer sides, find the dimensions of the curtained room.
Click here to see answer by Earlsdon(6294)

Question 534422: length of the rectangle is 2 inches more then the width. The area is 35 square inches. Find the dimensions
Click here to see answer by oberobic(2304)

Question 534424: A -foot ladder is placed so that it reaches to a point on the wall that is feet higher than twice the distance from the base of the wall to the base of the ladder.
Click here to see answer by oberobic(2304)

Question 534425: A gun fires a bullet almost straight up from the edge of a -foot cliff. If the bullet leaves the gun with a speed of feet per second, its height at time is given by , measured from the ground below the cliff.
When will the bullet land on the ground below the cliff? (Hint: What is its height when it lands? Remember that we are measuring from the ground below, not from the cliff.)
Click here to see answer by solver91311(24713)

Question 534561: In a certain coastal basin, the sea water contained 3.9 grams of sea salt per 1000 milliliters of water. How many grams of salt would be in 5 liters of the sea water?
Click here to see answer by stanbon(75887)

Question 535515: I'm going to try this one more time. My question is:
What is the area of a TRIANGLE which has a base of 16, and the 2 other angles are BOTH 10.5. I don't know how else to ask this?
The bottom (base) of the triangle is 16.
The left angle, coming up from the base is 10.5.
The right angle, coming up from the base is 10.5.
PLEASE, I just need to know what the area is of this triangle. Thank you.
Click here to see answer by mananth(16946)

Question 536369: A cone has a radius of 12 inches and a surface area of 1050 square inches. What is the slant height of a cone to the nearest tenth of an inch?
Click here to see answer by fcabanski(1391)

Question 536418: The ratio of the volumes of two inflated balls is 8:1. The surface area of the small ball is 100 square inches. What is the surface area of the large ball?
Click here to see answer by Alan3354(69443)

Question 536466: what is the area of a triangle with sides 16.69m, 35m and 45.05m

Click here to see answer by Alan3354(69443)

Question 536852: A circular swimming pool has a diameter of 50 feet and is centered in a fenced-in square region measuring 90 feet by 90 feet. A concrete sidewalk 5 feet wide encircles the pool, and the rest of the region is grass, as shown. Find the area of the grass. Use
Click here to see answer by fcabanski(1391)

Question 537403: A rectangular swimming pool 30 feet by 15 feet is surrounded by a uniform concrete sidewalk 5 feet wide. The pool is positioned inside a fenced- in circular grassy region of diameter 60 feet. a. Find the surface area of the water. b. Find the area of the concrete sidewalk. c. Find the area of the grass.
Click here to see answer by mananth(16946)

Question 537994: What is the exact area of the base of a swimming pool with diamerter 16 ft?
Click here to see answer by fcabanski(1391)

Question 538762: each edge of a cube is 2 cm longer than each edge of another cube. the volumes of the cubes differ by 98 cm cubed. can you find the lengths of the edges of each cube?
Click here to see answer by ankor@dixie-net.com(22740)

Question 538760: a box has a square bottom and top and is 5 cm high. can you find its volume if its total surface area is 192 cm squared?
Click here to see answer by KMST(5328)

Question 539767: fine the height of a right circular cylinder whose height is equal to its base radius and its volume is 72(3.14)cm3?
Click here to see answer by KMST(5328)

Question 539763: a metal sphere with diameter 6 cm has got melt changed right circular cylinder with base radius lenght 3 cm .fine its height .
Click here to see answer by KMST(5328)

Question 540219: Find the area of the rectangle at the right when x = 4.

Click here to see answer by richard1234(7193)

Question 540907: the length of a rectangle is twice its width. If the peremiter of the rectangle is 48ft, find its area
Click here to see answer by Maths68(1474)

Question 541572: What is the area of a square whose perimeter is 65 feet?
Click here to see answer by stanbon(75887)

Question 542332: What would be the area of an equilateral triangle with a side length of 4 in simplest radical form?
Click here to see answer by neatmath(302)

Question 542542: In a triangle whose area is 72in. sq., the base has a length of 8in. Find the length of the corresponding altitude.
Click here to see answer by Earlsdon(6294)

Question 542793: find the surface area of the Cylinder
radius is 5 and height is 15 what is the surface area
if the radius is 1.1ft and the hieght is 3.2 Ft what is the surface area
radius is 12 and height is 18 what is the surface area
Click here to see answer by solver91311(24713)

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(69443)

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(16322)

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(75887)

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(1391)

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(69443)

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(69443)

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(75887)

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