Here you go. (I need to fill up same)
ANSWER

EXPLANATION
The sum of an arithmetic sequence whose first term and last terms are known is calculated using

From the given information, the first term of the series is

and the last term of the series is

The sum of the first 26 terms is



The scale factor of dilation is 1/2 or

because the number of rectangle one is multiplied by 1/2 to make rectangle 2
good luck
Answer:
idk just google it :)
Step-by-step explanation:
1. google the thing