We are given with the sequence -20, -16, -12, -8. From this sequence, we can see that the arithmetic difference is +4, from -(-20 + 16). hence following the arithmetic formula of an = a1 + d *(n-1). Substituting, an = -20 + 4 *(n-1) where n is an integer
Answer:
where is the figure to denote angles??
The answer would be 48.
All you would have to do is multiply the height (the straight line) and the length which is the 6.
