None of the answers above are correct
840 : 360
(÷120) : ( ÷120)
7 : 3
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Answer: 7 : 3
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Answer:
Step-by-step explanation:
8*8=64
5*2=10
64*13=832
10*13=130
832-130=702cm
We know that
if <span>180º≤A≤270º
</span>then
A belongs to the III quadrant and tan A is positive
we have
5tan²A = 2tanA + 6-------> 5tan²A - 2tanA - 6=0
let
x=tan A
5x²-2x-6=0
using a graph tool----> to resolve the second order equation
see the attached figure
x=-0.91
x=1.314
remember that tan A is positive
the solution is
x=1.314
tan A=1.314
A=arc tan (1.314)--------> A=52.73°-----> A=52.7°
180º≤A≤270º
then
A=180+52.7-----> A=232.7°
the answer isA=232.7°