Answer:
sin(A) = 5/13 ≈ 0.38
cos(B) = 5/13 ≈ 0.38
tan(A) = 5/12 ≈ 0.42
Step-by-step explanation:
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by pythagorean formula, the last side is √(61)
by cos rule
cos A
A = 39.81
4x10=40
7x10=70
6x10=60
10x10=100
8x10=80
4x14=56
5x16=80
40+70+60+100+80+56+80= $486
20 2 x 20 =40 per min
we know u desperate hehe lol
but
