Question

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



The width of the tiled portion is 2.5 feet. What is the area of the tiled portion of the patio, rounded to the nearest whole square foot?

Answer 1

area of tiled portion = area of the whole patin - untiled portion
= 0.5 * pi * 9^2 - 0.5 * pi * (9-2.5)^2

the 9 = radius of patio (= half diameter 18)

Answer 2

so it's 61?

Answer 3

its 40.5 pi - 21.125 pi

Answer 4

19.375?

Answer 5

oh wait

Answer 6

so ya it's 61

Answer 7

A section of a sphere that contains the diameter of the sphere is called a? What's this one real quick?

Answer 8

its 60 . 86 = 61 sq ft yes

Answer 9

a hemisphere

Answer 10

chord
great circle
radius
tangent
Here are the choices

Answer 11

i said radius cause im not sure

Answer 12

oh - yes - its a great circle

Answer 13

Oh ok thank you!

Answer 14

yw