A roller-rink floor is shown below. Each end is semi-circle. What is its area? Use t = 3.14 85 ft
20 ft
40 ft
a. A = 4500 ft2b. A = 4564 ft2
c. A = 4656 ft?
d. A = 4730 ft?

Please someone help me
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point a is the center of this circle.

the ratio of the lengths of (ef/bc) and (ad/ih) is 2: 1.

step-by-step explanation:

111

step-by-step explanation:

step-by-step explanation:

answer

a) the midrange of the data set shown is 85.5

step by step explanation

let's find the midrange.

the midrange is nothing but add the greatest value and the least value, then divide it by 2.

here the greatest value = 99

the least value = 72

midrange = (99 + 72)/2

= 171/2

midrange = 85.5

you.