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eroshea
 2 years ago
Two isosceles triangles ACB and ADB have a common base AB, and their planes form an angle of 30 degree. Find the distance DE between the vertex D and the plane containing triangle ACB if the height DF of triangle ADB is 16 cm.
> illustration
eroshea
 2 years ago
Two isosceles triangles ACB and ADB have a common base AB, and their planes form an angle of 30 degree. Find the distance DE between the vertex D and the plane containing triangle ACB if the height DF of triangle ADB is 16 cm. > illustration

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Shadowys
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1353420552934:dw what is F and E?

eroshea
 2 years ago
Best ResponseYou've already chosen the best response.0i don't know where to put them..

Shadowys
 2 years ago
Best ResponseYou've already chosen the best response.1I have no idea if E and F are points or so...lol

Shadowys
 2 years ago
Best ResponseYou've already chosen the best response.1DF is the height, this i know

eroshea
 2 years ago
Best ResponseYou've already chosen the best response.0dw:1353478033352:dw what i did is like this.. but i don't know if its right

Shadowys
 2 years ago
Best ResponseYou've already chosen the best response.1dw:1353420791457:dw i think this
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