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| Math Central | Quandaries & Queries |
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Question from Bret, a parent: we have a pond that is triangular shape : 130ftx130ftx150ft and is 4ft deep. How can I figure out as to how many gallons of water it will take to fill it up? Thanks for your help :) |
Hi Bret,
The volume of the pond is the area of the triangle times the depth. Since you have all the measurements are in feet this calculation will give you the volume in cubic feet. The area of the triangle can be found using Heron's formula. Suppose this volume in cubic feet.
You can find the number of gallons by using Google. Go to Google and type A cubic feet in gallons (where A is the volume you just calculated) into the search window. Google will respond with the number of gallons.
Penny
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