How do you simplify algebraic expressions
1 answer:
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<span>This polygon is composed of a right triangle and <span>a parallelogram.
The area of right angle :
The area of the </span></span><span>parallelogram</span>:
The area of the polygon is equal:
Therefore, the answer is:
The area of right angle :
The area of the </span></span><span>parallelogram</span>:
The area of the polygon is equal:
Therefore, the answer is:
To be able to solve this question, we need to know about the Pythagorean theorem: a² + b² = c². A and b represents the two sides that make the right angle, and C represents the hypotenuse, or the longest side, of the triangle.
We know that the hypotenuse is the longest side of the triangle, so that means 9 is c. One side of the triangle is 6, and we have to solve for b. That means 6 is a. We can plug in our values to the formula like this:
Now that we have our equation down, we know what we have to do next: subtract 81 from 36 to get b².