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March 25, 2026, 06:00:08 pm
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Author Topic: Geometry  (Read 683 times)  Share 

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dinosaur93

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Geometry
« on: November 06, 2011, 04:23:51 pm »
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Kindly help me with this one as well, tnx heaps!
Have a look if Im doing it right!


The side view of a public rubbish bin is shown in the diagram attached to this subject.

The height of the front face of the bin indicated by CD is 1m. The distance BC is 0.7m and the distance AD is 0.5m.

Question
Find the able ABC, Express your answer to the nearest degree.
sin-1= = 450 35'

Question
Find the height AB, of the bin. Express your answer in metres, correct to 2 decimal places.
+ 1 = 1.49m


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dinosaur93

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Re: Geometry
« Reply #1 on: November 06, 2011, 04:34:25 pm »
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The 'front-on' view of the bin is shown in the diagram attach to this subject with the lid indicated by BCFE. The base of the bin indicated by DGHA is square.

Question
Find the internal distance CH, Express your answer correct to 2 decimal places.
CH = = 1.22m

Question
Find the ara of the actual base of the bin (where te base is indicated by DGHA) in cm2.
A = L2
A = 0.52
A= 0.25cm2

Question
On a scale diagram of the bin, the area of the base of the bin had an area of 1 cm2. Using the dimensions of the actual bin, find the scale used on the scale diagram.
How to do this Qs?

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dinosaur93

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Re: Geometry
« Reply #2 on: November 06, 2011, 06:57:01 pm »
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pls help me recheck if I have done the questions correctly

tnx in advance!
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dinosaur93

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Re: Geometry
« Reply #3 on: November 07, 2011, 09:38:15 am »
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anyone?
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