Today we will be discussing the concept of surface area and how to calculate it for some common geometrical shapes. Surface area is the measure of the total area that the surface of an object occupies. It is a crucial concept in mathematics and is often used in physics, engineering and other related fields. In this post, we will focus on finding the surface area of a spherical cap and also share with you the 11 best apps that can help you calculate the surface area of different objects.
Surface Area of a Spherical Cap
A spherical cap is a portion of a sphere that is cut off by a plane. To calculate the surface area of a spherical cap, we need to know the radius of the sphere and the height of the cut off. The formula to calculate the surface area of a spherical cap is:
Surface Area = 2πrh
where r is the radius of the sphere and h is the height of the cut off.
Let's take an example to illustrate this concept. Suppose we have a sphere with a radius of 5 cm and we cut off a cap from it with a height of 3 cm. To find the surface area of this cap, we will use the above formula:
Surface Area = 2πrh = 2π(5 cm)(3 cm) = 30π cm2
Therefore, the surface area of the given spherical cap is 30π cm2.
11 Best Area Calculator Apps
In this digital age, there are many apps available that can help you calculate the surface area of different objects easily. Here are the 11 best area calculator apps for Android and iOS:
- Area & Perimeter Calculator: This app can calculate the area and perimeter of various shapes including rectangles, circles, triangles, and trapezoids.
- Planimeter GPS Area Measure: This app uses GPS to measure the area of any outdoor space or land.
- Geo Measure Area Calculator: This app can calculate the area and perimeter of any land based on GPS coordinates.
- RoomScan Pro: This app can create a floor plan of your room by simply walking around with your phone.
- EasyMeasure: This app can measure the distance, height, and width of any objects using your phone's camera.
- Photo Measures: This app can add dimensions and measurements to your photos, making it easy to keep track of different measurements for different objects.
- Handyman Calculator: This app includes calculators for various construction-related calculations including area, volume, and pitch.
- CalcNote: This app can record your calculations and formulas for future reference.
- Construction Calculator: This app includes calculators for various construction-related calculations including area, volume, and pitch.
- Area Calculator: This app can calculate the area of various shapes including rectangles, circles, triangles, and trapezoids.
- Measure Map Pro: This app uses GPS to measure the area of any outdoor space or land and can also add custom markers to mark important locations.
These are some of the best area calculator apps available in the market that can help you calculate the surface area of different objects with ease. So the next time you need to calculate the surface area of any object, make sure to try out one of these apps and make your life a lot easier!
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