Common Core: High School - Geometry : Use Trigonometric Ratios and Pythagorean Theorem to Solve Right Triangles: CCSS.Math.Content.HSG-SRT.C.8
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Example Questions
Example Question #11 : Use Trigonometric Ratios And Pythagorean Theorem To Solve Right Triangles: Ccss.Math.Content.Hsg Srt.C.8
Determine whether a triangle with side lengths 
Yes
No
No
To figure this problem out, we need to recall the Pythagorean Theorem.
Now we simply plug in 
If both sides are equal, then the side lengths result in a right triangle.
Since both sides are not equal, we can conclude that the side lengths are not a right triangle.
Example Question #11 : Use Trigonometric Ratios And Pythagorean Theorem To Solve Right Triangles: Ccss.Math.Content.Hsg Srt.C.8
Determine whether a triangle with side lengths 5, 12, and 13 is a right triangle.
No
Yes
Yes
To figure this problem out, we need to recall the Pythagorean Theorem.
Now we simply plug in 5 for 
If both sides are equal, then the side lengths result in a right triangle.
52 + 122 = 132
25 + 144 = 169
169 = 169
Since both sides are equal, we can conclude that this is a right triangle.
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