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Find the area of the pre-image rectangle QRST if the are of the image

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February 8th, 2013 07:14
in Introduction to the Science and Engg by ekachakra (Johnson & Wales University (RI), Chemistry)

Find the area of the pre-image rectangle QRST if the are of the image rectangle DEFG is 54cm^2 and the scale?

factor is 3/2

6 Answers
0 votes

March 6th, 2013 11:41
sharmistha_98 (Dhirubhai Ambani Institute of Information and Communication Technology, Thermodynamics)
This is not a Geography question. You might want to try it under the categories Homework Help or Mathematics.

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May 15th, 2013 10:56
ehaabhi (Jaypee University of Engineering & Technology, Electrical Engineering)
In both cases you are starting with an object (called the preimage), and enlarging it to get the final result.

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May 16th, 2013 09:17
abduu (National Institute of Industrial Engineering, Mechanical Engineering)
a=(1/2)b*h. The base is increasing by a factor of 3 AND the height is increasing by a factor of 3. So the area increased by a factor of 9. Divide the new area by 9 and the original/preimage area =1 cm^2

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May 25th, 2013 12:08
sabit (Deenbandhu Chhotu Ram University of Science and Technology, Computer sciences)
"In general for an area, a, with some scale factor greater than 1, f,
new area=a*f^2 or rearranged a=new area/f^2
 
"

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May 28th, 2013 12:08
steve.jobs (B R Ambedkar National Institute of Technology, Digital electronics)
    The particular rectangle will be enflamed by the component of 3/3. The location increased with a issue connected with (a few/a couple of)enqa_only two or hunting for/5. Flourish the newest place aside some/nine and also the authentic spot will be 24cmenqa_only two.

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May 31th, 2013 20:19
pinke (Shree Ram Swarup College of Engineering & Management , Electrical Engineering)
    Trilateral UVW could be the before-image of trilateral RST that has a range issue of three. Find the subject of trilateral UVW if your section of triangle RST is actually in search of cm2.

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