Real math help.
How Do You Find the Value for a Variable in the Angles of a Quadrilateral To Make it a Rhombus?
Note:
A parallelogram needs to have certain qualities in order to be a rhombus. In this tutorial, you'll use your knowledge of these shapes in order to find the value for a variable that will make a given parallelogram a rhombus.
Background Tutorials
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Quadrilateral Definitions
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What is a Parallelogram?
A parallelogram is a special type of quadrilateral with some special properties. In this tutorial, take a look at parallelograms and learn what kinds of quadrilaterals can also be called parallelograms!
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What is a Rhombus?
A rhombus is a special kind of quadrilateral. Knowing about the special properties of a rhombus is important to identifying and using these special polygons. This tutorial introduces you to the rhombus and explains its unique qualities. Take a look!
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Evaluating Expressions
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How Do You Evaluate an Algebraic Expression?
Plugging variables into an expression is essential for solving many algebra problems. See how to plug in variable values by watching this tutorial.
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Solving Equations by Subtracting
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What's the Subtraction Property of Equality?
Solving equations can be tough, especially if you've forgotten or have trouble understanding the tools at your disposal. One of those tools is the subtraction property of equality, and it lets you subtract the same number from both sides of an equation. Watch the video to see it in action!
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Solving Equations by Dividing
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What's the Division Property of Equality?
Solving equations can be tough, especially if you've forgotten or have trouble understanding the tools at your disposal. One of those tools is the division property of equality, and it lets you divide both sides of an equation by the same number. Watch the video to see it in action!
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Solving Equations with Variables on Both Sides
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How Do You Solve an Equation with Variables on Both Sides?
Trying to solve an equation with variables on both sides of the equal sign? Figure out how to get those variables together and find the answer with this tutorial!
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Further Exploration
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Special Parallelograms: Rectangles, Rhombuses, and Squares
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How Do You Use the Diagonals of a Rectangle to Find the Value of a Variable?
When you make diagonals inside a rectangle, those diagonals are congruent. With this information, you can find the value of a variable that's part of a measurement of a diagonal. This tutorial shows you the steps.
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