A porch has the shape of a semicircle with a diameter of 7 ft.

What is the approximate area of the porch, rounded to the nearest square foot? Use 3.14 to approximate pie.

ft2

Question

A porch has the shape of a semicircle with a diameter of 7 ft.
 
What is the approximate area of the porch, rounded to the nearest square foot? Use 3.14 to approximate pie.
 
  ft2

anonymous · Answer

Refer to the attachment.

anonymous · Answer

can you help me on another one???? i have already posted it

anonymous · Answer

Go ahead.

anonymous · Answer

Which figures can be used to find the area of the composite figure?
 
Choose exactly two answers that are correct.
  

 
 A.
a semicircle with an area of  4.5 pie m2
 
 B.
a semicircle with an area of  18 pie m2
 
 C.
a rectangle with an area of 33 m2
 
 D.
a rectangle with an area of 66 m2

anonymous · Answer

http://static.k12.com/calms_media/media/1571000_1571500/1571275/1/e519ed5deb61e1623a2ad3ca3191866ec7b0899e/MS_IMB-1401208-1110601.jpg

anonymous · Answer

D. 6 x 11 = 66, takes care of the rectangle's area.
The area of a semicircle with radius 3 is ( Pi 3^2 )/2 or 14.1372 ft^2
A. and B. are way off.

anonymous · Answer

Sorry, ft should be meters.  The numbers will be the same.