Question 441375
A quad's angles total 360.
a quad has 4 angles. Two sets of two which are equal

so we have 2*3x+2*(4x+12)=360
6x+8x+24=360
14x=360-24
14x=336
7x=118
x=24
one angle is 3x=3*24=72
the other is 4x+12=4*24+12=96+12=108
so we have 72, 108, 72, 108