Solve triangle abc given that a=56 b=57 b=9
a) c=64, a=10.2, c=9.8
b) c=67, a=10.2, c=9.88
c) c=67, a=8.9, c=9.88
d) c=66, a=8.7, c=9.88

The vector matrix [2/7] is dilated by a favor of 1.5 and then reflected across the x axis. if the resulting matrix is [a/b] then a= and b=

Which matrix multiplication is possible?

The center of the circumscribed circle lies on line segment and the longest side of the triangle is equal to the of the circle.