Using right triangle ratios to approximate angle measure | High school geometry | Khan Academy

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Published on ● Video Link: https://www.youtube.com/watch?v=fPXQTEYjF-o


Duration: 3:06
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Keep going! Check out the next lesson and practice what you’re learning:
https://www.khanacademy.org/math/geometry/hs-geo-trig/xff63fac4:hs-geo-trig-ratios-similarity/e/use-ratios-in-right-triangles

Because of similarity, all right triangles with a given acute angle measure have equal ratios between their side lengths. So if we know two of the side lengths of a right triangle, we can figure out the angle measures, too!

View more lessons or practice this subject at https://www.khanacademy.org/math/geometry/hs-geo-trig/hs-geo-ratios-in-right-triangles .

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Tags:
online learning
online class
video class
video tutorial
online education
HSG.SRT.C.8
right triangle trigonometry
right triangle ratios
trigonometric ratios