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Question #ff32d

1 Answer

Oct 6, 2016

If the longer side of the given right triangle ,# a=76.4ft# represents the hypotenuse then #b=39.3ft# will be opposite side of angle B.

So

#sinB=b/a=39.3/76.4=0.5144#

#=>B=sin^-1(0.5144)~~31^@#

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