Okay here's the first few questions
1 answer:
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Answer:
The real perimeter is:
And the area would be:
Step-by-step explanation:
For this case we know one side of a square given 6mm.
We can begin calculating the perimeter for the scale figure with this formula:
The area for this case is given by:
And we know that the drawing has a scale of 1 mm : 7 km and if we convert the perimeter to km we got:
And the area would be:
Notice the picture below
what we have, is really an angle, encroached by two sides
thus, use the Law of Cosines
what we have, is really an angle, encroached by two sides
thus, use the Law of Cosines