Answer:
Check below
Step-by-step explanation:
1) Check the rectangle below with a line k, the axis of rotation in the center of the figure.
2) Since it has a perimeter of 32 units and it is to be rotated about the line, the solid to be created it is a cylinder. As you can see below.
3) Let's calculate its radius, based on the information given, i.e. the perimeter:
Since the line of rotation is the center, and the radius is half the line segment of the basis, then the radius is 5.
The value is closest to 2,852 as the decimal value is less than .5
Answer:
should be 872 in^2
Step-by-step explanation:
Jasmine will run 745.5 yards
Step-by-step explanation:
Jasmine runs along the track. So she will be covering the the circumference of the semi circle on the one side followed by the length followed by the circumference of the semi circle on the other side finally going through the other length
So In 1 lap Jasmine covers
= circumference of the semicircle + length of the rectangle + circumference of the semicircle + length of the rectangle
= 2(circumference of the semicircle + length of the rectangle )
= circumference of the circle + 2(length of the rectangle)
Now lets find the circumference of the circle
circumference of the circle =
We have diameter of the circle = 25 yards
Then radius = = 12.5 yards
Now circumference of the circle = = = 78.5 yards
In One lap Jasmine will be covering = = 78.5 + 170 = 248.5 yards
In 3 laps = = 745.5 yards