standard_description: Understand that, unlike multiplication of numbers, matrix multiplication for square matrices is not a commutative operation, but still satisfies the associative and distributive properties.
problem_activity: Given right triangle
$${A{BC}}$$
with hypotenuse
$${AB=8.5}$$
and
$${m\angle A=55^\circ}$$
, find
$${AC}$$
and
$${BC}$$
to the nearest hundredth.
[IMG]


aligns: no