What is the rule for the reflection?
y=(x, y) = (-y-X)
lye-x(x, y) - (y. -x)
yax(x, y) - (x)
Ty=-x(x, y) - (x)

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .

B. 2 1/2 feet. multiply 2.5 inches by 12 to get thirty inches then divide by 12 to get 2.5 feet