Answer:
400^2 = 160 000
Step-by-step explanation:
The square of a number means the product of a number by itself, while the perfect square ... For example, the number 9 is a perfect square because it can be expressed as a product of ... A square football pitch has a perimeter of 400 meters.
Answer:
Angles in a pentagon add to 540 degrees.
100+80+160+91+x =540
431+x=540
109=x
Hope this helps!
The answer is C. 2.8!!!!!!!!
I think it’s is c I’m not sure tho