Geometry · Chapter 8 · Lesson 8.3 · Printable PDF

Special Right Triangles Worksheet with Answer Key

8 problems on special right triangles: 45-45-90 and 30-60-90 side ratios with exact answers, water slides, rhombus diagonals, drafting triangles and a baseball infield. 2 pages, with a worked answer key.

8 problems2 pagesanswer key
Printable Special right triangles worksheet with answer key - Geometry (Page 1 PDF preview)
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What's on the worksheet

  1. Find the other two sides of a 45-45-90 triangle from one side, exactly:
    hypotenuse 16leg 4\sqrt{3}leg \dfrac{9}{2}hypotenuse 2\sqrt{10}hypotenuse 3\sqrt{3}
  2. Find the other two sides of a 30-60-90 triangle from one side, exactly:
    short leg 2\sqrt{2}short leg \dfrac{5}{3}hypotenuse 3\sqrt{2}long leg \sqrt{6}long leg 6\sqrt{2}
  3. Find the length of a water slide and the distance from F to its bottom.
  4. Explain how to tell a student's leg lengths are wrong, then find the legs correctly.
  5. Find x and the hypotenuse of an isosceles right triangle, and y and the long leg of a 30-60-90.
  6. Find the edge lengths of Hannah's drafting triangle from its perimeter.
  7. Find the diagonals of a rhombus with a 60 degree angle.
  8. Find the exact throw from home plate to second base on a baseball infield.

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Special right triangles: the lesson ›