Based on the information given, it should be noted that the perimeter of the rectangle will be 7562cm.
Your information is incomplete as you didn't state what needs to be calculated. An overview of the calculation of a perimeter will be given.
The perimeter of a rectangle is calculated as:
= 2(Length + Width)
= 2(2891 + 890)
= 7562cm
When it's 66cm longer, the new length will be:
= 2891 + 66 = 2957cm
The perimeter will be:
= 2(890 + 2957)
= 7694cm
Learn more about perimeter on:
https://brainly.com/question/19819849