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)= 210cmHeight of hut wall (H1) = 2.4mRoofWindowHeight of roof (H) = 2.6mHeight of door= 1.72mWidth of door= 820mmSize of Window = 50cm x 40cmWallDoorH1FloorBall on the floorRadius of ball= 5.2cm

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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?

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?

Algebra: Structure And Method, Book 1

(REV)00th Edition

ISBN:9780395977224

Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole

Chapter4: Polynomials

Section4.9: Area Problems

Problem 4P

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Question

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

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