Asked by Gina

In triangle ABC, A is a right angle, and m b=45 degrees.


What is the length of BC? If your answer is not an integer, leave it in simplest radical form.
a. 16 ft
b. 16 sq 2 ft
c. 16 sq 3 ft
d. 32 ft

I'm really confused as to how to do this... Could someone please explain and show me how to enter the whole calculation into my calculator? I don't really know how to make the whole sin thing plug in the correct ways and where to put my numbers. Thanks!!
Answered by Steve
since the acute angles are 45°, the two legs are both 16 (a fact you left out)

so, the hypotenuse is

√(16^2 + 16^2) = 16√2

Answered by Gina
Ok thank you!!
Answered by ERENNNN Yeager
they changed the answer for me its the same thing but its 12 ft
Answered by ar
they changed the answer for me it's the same thing but its 14 ft
Answered by angelena
Does anyone know how to do the same thing but with 14ft?
Answered by Indixion
In triangle ABC, 4A is a right angle, and m<B = 45°.
Angle (14 ft)

A. 14 √2 ft *Correct*
B. 28 ft
C. 14 √3 ft
D. 14 ft
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