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Calculate the angle between the base of a cuboid with dimensions 5 × 10 and its space diagonal of length 13.

Final Answer:

α =  30.68 °

Step-by-step explanation:

a=5 m b=10 m u=13 m  u2=a2+b2=52+102=5 5 m11.1803 m  cos α = u2 : u  A=arccos(u2/u)=arccos(11.1803/13)0.5355 rad  α=A  °=A π180   °=0.5355 π180   °=30.68  °=30.68=30°4050"



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arithmeticsolid geometryplanimetricsgoniometry and trigonometryUnits of physical quantitiesGrade of the word problem

 
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