Answer:
D 80 and 90
Step-by-step explanation:
using reverse problem solving
square root x = 9 then
9 squared =81
81 between 80 and 90
Answer:
-2
Step-by-step explanation:
Add up the lengths of the several sides of the polygon.
Examples: The perimeter of a triangle is the sum of the lengths of the 3 sides.
The perimeter of a hexagon is the sum of the lengths of the 6 sides.
And so on.
I highly recommend drawing any polygon whose perimeter you wish to calculate.
I think its 5 if right pls give thumbs up and thanks
It would be 550x10 (5 tens = 50)
so you would solve for 550
<u> x10</u>
5500
