Find the perimeter or circumstance and area if the unit on the graph measures 1 centimeter. Round answer to the nearest tenth, if necessary

1. triangle ABC
Ay
A(0, 9)
C(0, 1)
of
-B(4,9)
X

Find the perimeter or circumstance and area if the unit on the graph measures 1 centimeter Round answer to the nearest tenth if necessary 1 triangle ABC Ay A0 9 class=