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The surface area of a spherical balloon is 175 cm2 If the length of the radius was six times as large what would the surface area be?
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∙ 13y ago
this is funny cause i took an online test with this question
Wiki User
∙ 13y ago
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What is surface area of spherical shell?
Surface area of a sphere = 4*pi*radius2 For a spherical shell, surface area = surface area of outer sphere - surface area of inner sphere = 4*pi*(outer radius)2 - 4*pi*(inner radius)2 = 4*pi*[ (outer radius)2 - (inner radius)2 ]
How do you find the area of a balloon?
You mean the surface area, right? Assuming the balloon is approximately spherical, you can measure the diameter, divide by two to get the radius & plug that into this formula.A=¾πr²Where A is the area, r is the radius and π is the ratio of the circumpherence to the radius of a circle. 3.14 or 22/7 are good approximations to π, also a decent calculator will have a better approximation built in. To look it up search for "pi" (that's the Greek letter's name).
What is the surface area of a cylinder with a radius of 1m and length of 3m?
25.13m2
The length of a radius is the length of a diameter?
The length of a radius is not the length of a diameter. The diameter is two times the length of the radius.
What is used to measure spherical radius?
You can measure the diameter, then divide that by 2.
The relation between focal length and radius of curvature of spherical mirror is?
The focal length of a convex mirror is half of its radius of curvature.
A spherical balloon is partially blown up and its surface area is measured More air is then added increasing the volume of the balloon If the surface area of the balloon expands by a factor of 3.7?
Area varies as (radius)2.Volume varies as (radius)3 = (area)3/2If area increased by the factor of 3.7, then volume increased by the factor of (3.7)3/2 = 7.117 times (rounded)
What is surface area of spherical shell?
Surface area of a sphere = 4*pi*radius2 For a spherical shell, surface area = surface area of outer sphere - surface area of inner sphere = 4*pi*(outer radius)2 - 4*pi*(inner radius)2 = 4*pi*[ (outer radius)2 - (inner radius)2 ]
What is the spherical radius of 1 foot?
It is the distance from the centre to all points on the surface of a sphere with a radius of 1 foot.
What is the surface area of a spherical tank having a radius of 25cm?
The area of a sphere is Area = 4(pie)r^2 If this is a cylinrical tank with spherical ends you need the length. The area of the cylinder part is (pie)r^2 x length then add to area of sphere
What is the radius of a 12 inch balloon?
Assuming the balloon is perfectly spherical and that the 12" you state refers to the diameter of the balloon then it is obviously 6". If you can't assume any of the above then your question cannot be answered.
How do you find the area of a balloon?
You mean the surface area, right? Assuming the balloon is approximately spherical, you can measure the diameter, divide by two to get the radius & plug that into this formula.A=¾πr²Where A is the area, r is the radius and π is the ratio of the circumpherence to the radius of a circle. 3.14 or 22/7 are good approximations to π, also a decent calculator will have a better approximation built in. To look it up search for "pi" (that's the Greek letter's name).
How is curved surface area related to cylinder?
If cylinder radius and cylinder length are known : (pi = 3.141592654 . . . ) > Surface area = ( (2 * pi * radius) * length )
What is the surface area of a cylinder with a radius of 7in and a length of 3in?
A cylinder with a radius of 7in and a length of 3in has a total surface area of about 439.82 square inches.
What is the volume of a balloon with a radius of 7 inches?
Assuming it is spherical (since it has a specific radius) then Volume = (4/3)pi*radius^3, so V = (4/3)pi*7^3 = 1436.76 cu. in.
Sum of focal length and radius of curvuture is 30cmWhat is the focal length of this spherical mirror?
f=r/2 =30/2 =15cm
Whenspherical balloon expands when it is taken from the cold outdoors to the inside of a warm house If its surface area increases 11.0 percent by what percentage does the radius of the balloon change?
If the surface area of a sphere has increased by 11%, its radius has increased by 5.36% .(rounded)
