Answer:
angle 3 = angle 6
angle 1 = angle 5
angle 2 + angle 5 + angle 6 = 180°
The recursive formula
can be used to generate the shown sequence
Step-by-step explanation:
Recursive formula is the formula that is used to generate the next term of a sequence using previous term.
The general form of arithmetic sequence's recursive formula is:

Given
5,-1,-7,-13,-19
Here

First of all we have to find the common difference of the sequence.
So,

Putting the value of d in the general recursive formula

Hence,
The recursive formula
can be used to generate the shown sequence
Keywords: Sequence, arithmetic sequence
Learn more about arithmetic sequence at:
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Answer:
I'm gonna go with b p.s: sorry if im wrong
Step-by-step explanation:
missing number is 8. there is a pattern with the input and output numbers.