What is the surface area of this figure?
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Answer:
On the blueprint the dimensions are <u>48 inches by 64 inches</u>.
Step-by-step explanation:
Given:
The scale on blueprint was 1/4 inch = 1 foot.
The actual dimensions of her bedroom are 12 feet by 16 feet.
Now, to find the dimensions on the blueprint.
Let the dimensions on the blueprint be by
As, given the scale on blueprint:
So, is equivalent to 1 foot.
Thus, is equivalent to 12 feet.
And, is equivalent to 16 feet.
Now, solving by cross multiplication method:
<em>By cross multiplying we get:</em>
Now, again:
<em>By cross multiplying we get:</em>
Therefore, on the blueprint the dimensions are 48 inches by 64 inches.
Answer:
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