Question

ANSWER CHECK: I THINK ITS IS 20

The figure below shows Dora’s semi-circular patio. The shaded region represents the tiled portion of the patio.



The width of the tiled portion is 1.5 feet. What is the area of the tiled portion of the patio, rounded to the nearest whole square foot?

14 square feet

20 square feet

40 square feet

44 square feet

Answer 1

@jim_thompson5910

Answer 2

@jim_thompson5910

Answer 3

you are correct, it's 20 square feet

Answer 4

ok may I have you check one more @jim_thompson5910

Answer 5

sure

Answer 6

Abe uses the circular saw shown below. How many inches of wood will the saw cut through in 1 complete revolution?

Answer 7

Answer Choices are
18.84
9.42
37.68
28.26

Answer 8

I think it is 9.42 @jim_thompson5910

Answer 9

hint:

C = pi*d

C = circumference
d = diameter

Answer 10

so 18.84 @jim_thompson5910

Answer 11

yep

Answer 12

thank you so much I have one more!
Marion baked 2 cakes using a circular cake pan of diameter 12 inches. She plans to make a layered cake with one cake on top of the other with frosting only in between the cakes and on top of the second cake. Rick baked 3 cakes using a circular cake pan of diameter 6 inches. He plans to make a layered cake with each cake on top of the other and frosting only in between the cakes and on top of the third cake. The height of frosting in both their cakes is the same.
Which requires more frosting?

I know it is marion but what is the area?

Answer 13

@jim_thompson5910

Answer 14

use the formula

A = pi*r^2

A = area
r = radius

Answer 15

is it 75.36? @jim_thompson5910

Answer 16

for what?

Answer 17

for the area of marions cake

Answer 18

@jim_thompson5910

Answer 19

how did you get 75.36