Answer: r= -3
Next 3 terms following 54 are -162, 486, -1458
Step-by-step explanation:
Answer:
The answer is 116
Step-by-step explanation:
Because this shape is a quadrilateral, so the sum of the angles of a quadrilateral is a total of 360 degrees. So i added 90 + 90 + 64 = 244. And 360 - 244 = 116.
An expression of more than 2 terms
