A quadrilateral has 3 angles that mesure 47 degrees, 110 degrees, and 85 degrees. what is the measurement of the fourth angle
2 answers:
You might be interested in
Answer:
Step-by-step explanation:
It is a linear homogeneous differential equation with constant coefficients:
y" + 4y = 0
Its characteristic equation:
r^2+4=0
r1=2i
r2=-2i
We use these roots in order to find the general solution: