D. X=3cm
Since the triangles are similar, just set up a proportion to solve for x.
4/8=x/6. Then just cross multiply and solve from there.
The sequence is increasing by the previous number multiplied by negative 3 (x -3). With this information, the correct answer would be A. -648, 1944, 5832
Answer:
the second one
Step-by-step explanation:
cant be negative cuz if its negative the first line doesnt apply.
Step-by-step explanation:
The formula is given by :

We have,
m = 19° and d = 9 cm
So,

Hence, this is the required soltion.