Answer:
(c) 6 x sq rt 2
Explanation:
sin 45=x/12
sin 45=.7071
.7071X12=x
x=8.489=6(sq rt 2)
Proof b y Pythagorean Theorem:
AC^2 + BC^2=12^2
AC=8.489 and BC=8.489
AC^2=72 , BC^2=72, 12^2=144
72+72=144
the answer is C... ......
5.8m questions
7.5m answers