Answer:
x = 38
Step-by-step explanation:
The two angles in the picture are supplementary (sum of angles add up to 180°). That fact gives us the equation:
140 + (x + 12) = 180.
Subtracting 140 + 12 from both sides gives:
Answer:0.006439
simple draw an imaginary line an find both area or calculate l1,l2,b1,b2
