first one is C and second is D
The triangles are similar because of the SAS postulate. The sides are proportional and angle T is equal in both.
yes it is always coplanar with two intersecting lines.
<em>Answer:</em>
94.25m
<em>Explanation:</em>
× 
Solve for x.
(cross multiply & divide)
4.5 × 19.5 = 282.75
282.75 ÷ 3 = 94.25