This website will help you with squares and their properties. Such as side length, diagonal length, area and perimeter.
WebMath
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This page gives two methods for finding the area of a kite: a geometry formula and a trigonometric formula. Numerous connected pages offer a wide variety of information on all types of polygons.
Math Open Reference
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A helpful scientific calculator that runs in your web browser window.
Holt Online Learning
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Worksheet to practice calculating surface area for rectangular prisms.
Helping with Math
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Worksheet to practice using the formula for the area of a circle.
Helping with Math
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Comprehensive list of formulas for finding the area, volume and surface area of various shapes.
Math2
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Formulas with corresponding pictures, help tutors and student review all the area fomula of plane shapes
Math is fun
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Area enclosed by a circle. Definition and formula
Math Open Reference
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Flashcards for area, surface area, volume and the perimeter of common shapes.
mathmistakes.info
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The worksheets below can be used as part of extra math homework. These geometry worksheets are free and easily printable. They cover typical school work from grade 4 through 8. They include questions on polygons, 3D objects, angles, and calculations of area, volume, etc.
Helping With Math.com
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