Hello There!

How many miles is 1000 feet?

1000 feet = 0.189394 miles

How many miles is half a kilometer?

0.5 kilometers = 0.310686 miles.

Hope This Helps You!
Good Luck :)

- Hannah ❤

3 0

3 years ago

Calculate the perimeter -math

Flauer [41]

That's easy

alrighty
we can see that each of those curves from K to N and from N to L are just 1/4 of the circumference of the circle
the circles have centers at J and M

so

we have 2 of those 1/4 circumfernce so a total of 2/4 or 1/2 circumference

circumference=2 times pi times radius
radius=JK=JN=NM=ML=7
we want half so
perimiter=1/2 times 2 times pi times 7
we are given pi=22/7 so
perimiter=1/2 times 2 times 22/7 times 7
perimiter=2/2 times 22
permiter=22cm

the perimiter is 22

wait, I forgot abou the bottom part (KL)
that's just twice the radius or 2*7=14
22+14=36
the perimiter is 36cm

7 0

3 years ago

nd the surface area of a cylinderose radius is 1.2 mm and whoseheight is 2 mm.Round to the nearest tenth.SA = [?] mm²

AleksAgata [21]

Step 1

Given;

$\begin{gathered} A\text{ cylinder with radius 1.2mm} \\ Height=2mm \end{gathered}$

Required; To find the area

Step 2

The area of a cylinder is given as;

$\begin{gathered} A=2\pi rh+2\pi r^2 \\ A=(2\times\pi\times1.2\times2)+(2\times\pi\times1.2^2) \\ A=4.8\pi+2\times\:1.2^2\pi \\ A=24.12743mm^2 \\ A\approx24.1mm^2 \end{gathered}$

Answer;

3 0

1 year ago