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please help me to find this out i really really need help.

The diagram shows a triangular prism ABCDEF with a horizontal base ABEF.

Give your answer correct to 3 significant figures. ​

please help me to find this out i really really need help The diagram shows a triangular prism ABCDEF with a horizontal base ABEFGive your answer correct to 3 class=

Respuesta :

taylorquinlan2008

Sorry, my answer before was wrong, my apologies!

cairde

Answer:

38.7°

Step-by-step explanation:

Let the angle we're looking for be called x.

Consider ΔADF (which consists of sides AD, FD and FA, and which contains the angle x.

tan(angle)=opposite/adjacent

tan(x)=FD/FA

x=tan⁻¹(12/15)=38.6598082541°≈38.7°

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