Answer:
D
Explanation:
You are looking for a triangle that has the sides 14mm and 15mm forming an angle of 100 degrees
First, you can eliminate A and B because they don't have an angle that is 100 degrees!
Now all you have left is C and D
In figure C, the sides 14 and 15 do not make up the angle of 100 degrees
But 14 and 15 make a 100 degree angle in figure D!
Therefore the answer is D