The Grand Canyon Skywalk at Eagle Point is a horseshoe shaped steel frame withglass floor looking down to the Grand Canyon below. The Skywalk extends 70 feetover the canyon rim and is 10 feet wide. The walkway consists of a semicircle with astraight portion on each side as indicated in the diagram below.Path Width10 feetOuter Circie:65 feet diameterInner Circle:45 feet diameter65 feetBreak in besIo farts, one is seme-circe.70 feetAOAIn order to prevent anyonefrom falling over the sides, a new railing needs to be installed. Howmany linear feet of railing are needed to line both sides of the walkway?(Round your final answer to 1 decimal place and any intermediatecalculations to 2 decimal places. Be sure to include units.)KOudert6,80Geometry Written Problem Set 3Teupeelll3o

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Asked Dec 5, 2019
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The Grand Canyon Skywalk at Eagle Point is a horseshoe shaped steel frame with
glass floor looking down to the Grand Canyon below. The Skywalk extends 70 feet
over the canyon rim and is 10 feet wide. The walkway consists of a semicircle with a
straight portion on each side as indicated in the diagram below.
Path Width
10 feet
Outer Circie:
65 feet diameter
Inner Circle:
45 feet diameter
65 feet
Break in besIo farts, one is seme-
circe.
70 feet
AOA
In order to prevent anyone
from falling over the sides, a new railing needs to be installed. How
many linear feet of railing are needed to line both sides of the walkway?
(Round your final answer to 1 decimal place and any intermediate
calculations to 2 decimal places. Be sure to include units.)
KOudert
6,80
Geometry Written Problem Set 3
Teupeelll3o
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The Grand Canyon Skywalk at Eagle Point is a horseshoe shaped steel frame with glass floor looking down to the Grand Canyon below. The Skywalk extends 70 feet over the canyon rim and is 10 feet wide. The walkway consists of a semicircle with a straight portion on each side as indicated in the diagram below. Path Width 10 feet Outer Circie: 65 feet diameter Inner Circle: 45 feet diameter 65 feet Break in besIo farts, one is seme- circe. 70 feet AOA In order to prevent anyone from falling over the sides, a new railing needs to be installed. How many linear feet of railing are needed to line both sides of the walkway? (Round your final answer to 1 decimal place and any intermediate calculations to 2 decimal places. Be sure to include units.) KOudert 6,80 Geometry Written Problem Set 3 Teupeelll3o

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Expert Answer

Step 1

Let r1 is the radius of outer circle then its perimeter p1 is given as.

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65 - feet 2 Pi = Tr 65r - feet 2

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Step 2

Let r2 is the radius of inner circle then its perimeter p2 is given as.

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45 feet 2 P2 = Tr, 457 - feet 2 ||

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Step 3

The perimeter p3 of the straight portion can be calculated as. There are same 4 straight portions therefore we ...

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P, = 4[70-r] feet 65 = 4 70- 4/70 feet 140 – 65 = 4 feet = 150 feet

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