Suppose that the radius of the hut is increased by 2.5%. Calculate the following: (i) Percentage increase in the area of the roof? (ii) Percentage decrease in the proportion of the volume taken by the ball in the hut?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
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Suppose that the radius of the hut is increased by 2.5%. Calculate the following:
(i) Percentage increase in the area of the roof?
(ii) Percentage decrease in the proportion of the volume taken by the ball in the hut?

Radius of hut (r)
= 210cm
Height of hut wall (H1) = 2.4m
Roof
Window
Height of roof (H) = 2.6m
Height of door
= 1.72m
Width of door
= 820mm
Size of Window = 50cm x 40cm
Wall
Door
H1
Floor
Ball on the floor
Radius of ball= 5.2cm
Transcribed Image Text:Radius of hut (r) = 210cm Height of hut wall (H1) = 2.4m Roof Window Height of roof (H) = 2.6m Height of door = 1.72m Width of door = 820mm Size of Window = 50cm x 40cm Wall Door H1 Floor Ball on the floor Radius of ball= 5.2cm
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