Real math help.
What is the Formula for the Area of a Triangle?
Note:
Did you know that the formula for the area of a triangle can be found by using the formula for the area of a parallelogram? In this tutorial, you'll see how it's done! Take a look!
Background Tutorials
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Understand a multiple of a/b as a multiple of 1/b, and use this understanding to multiply a fraction by a whole number.
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How Do You Multiply a Whole Number by a Fraction?
Multiplying a whole number and a fraction can be confusing, but this tutorial helps to sort things out. Check it out!
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Evaluate expressions at specific values of their variables. Include expressions that arise from formulas used in real-world problems. Perform arithmetic operations, including those involving whole-number exponents, in the conventional order when there are no parentheses to specify a particular order (Order of Operations).
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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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Further Exploration
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Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.
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How Do You Find the Area of a Triangle?
Finding the area of a triangle? Know the length of the base and the height? Then just take those values and plug them into the formula for the area of a triangle and solve! This tutorial shows you how.
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How Do You Find the Height of a Triangle if You Know the Area and Base?
Want to find the height of a triangle? Already know the area and the length of the base? Then you can use the formula for the area of a triangle to find that missing measurement! Check out this tutorial to learn how!
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