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legendman27
30.12.2019 •
Mathematics
The pyraminx is a rubik’s cube-toy in the shape of a tetrahedron. the pyraminx shown below has edges of 15cm long and a vertical height h=12.2 cm. the triangle drawn with dashed lines is a right triangle. what is distance r?
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Ответ:
The distance r is![8.7\ cm](/tpl/images/0436/9562/5cd67.png)
Step-by-step explanation:
we know that
Applying the Pythagoras Theorem
where
c is the hypotenuse
a,b are the legs
In this problem we have
substitute and solve for r
Ответ:
Where did you find this problem