Answer:
d. p = 2*20 + 2*10
Step-by-step explanation:
You know to find the perimeter, just add side + side + side + side.
And two pairs of sides on a rectangle are congruent, so the missing side lengths based on the width and length, will be 20 & 10.
So add 20 + 20 + 10 + 10.
To simplify this, say 2*20 and 2*10. And then add them.
So it is D
He will have more than enough because he only needs to cover 84.1425 square feet.
Answer:
a
Step-by-step explanation:
Answer:
43.7
Step-by-step explanation:
4 secs on was 78.4 meters, 5 was 122.5, 122.5-78.8=43.7