bewellplus.gsu.edu
morgobeby morgobeby
  • 13-04-2015
  • Mathematics
Answered

Figure WXYZ is a rectangle with a semicircle added to its base.


What is the perimeter of figure WXYZ? Use 3.14 to approximate pi.

Figure WXYZ is a rectangle with a semicircle added to its base. What is the perimeter of figure WXYZ? Use 3.14 to approximate pi. class=

Verified Answer :

iGreen
iGreen iGreen
  • 13-04-2015

Perimeter of a rectangle:

P = 2(l + w)

Plug in what we know:

P = 2(16 + 7)

Add:

P = 2(23)

Multiply:

P = 46

Now find the perimeter of the semi-circle.

Perimeter of a circle:

P = pi d

Plug in what we know:

P = 3.14 16

Multiply:

P = 50.24

Divide by 2 since it's a semi-circle:

50.24 / 2 = 25.12

Add the two perimeters:

46 + 25.12 = 71.12

Answer Link
AyaZ
AyaZ AyaZ
  • 13-04-2015

\(P=7+7+16+ \frac{16*3.14}{2} =55.12\)

Answer Link

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