Topic 19: Finding a Missing side in a 45?, 45?, 90? special Triangle Dependent on which side is missing will determine your equation. ?The ?ratio you want to remember is x, x, x??2 which ??
Topic 19: Finding a Missing side in a 45°, 45°, 90° special Triangle
Dependent on which side is missing will determine your equation. The ratio you want to remember is x, x, x√2 which √2=1.4, so if you are missing a leg side in an isosceles triangle the base angles are the same so both leg sides will be the same. Using the value of a side you can figure the hypotenuse side by X√2. If only given the Hypotenuse side, we must divide by √2 so X√2/√2 which will equal X your leg sides and they will be the same. Given the hypotenuse side we must divide by the √2 and then we rationalize multiplying that √2/√2 and simplifying from there. Topic 19 Examples.pdfDownload Topic 19 Examples.pdf
References
Tutoring, M. M. (2016, Febuary 22). 45-45-90 Special Right Triangles. Retrieved from YouTube: https://www.youtube.com/watch?v=nQEqpVK7ZPA
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