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yulyashka [42]
3 years ago
10

Find the area of trapezoid

Mathematics
1 answer:
Y_Kistochka [10]3 years ago
4 0
Area = 1/2 h (b1 + b2)

If we draw another line inside the trapezoid half way between the top and bottom lines. This line will cut the sides on the left and right exactly in half.

And that is exactly what is happening in this picture. The side to the right is perfectly divided in half and the side to the left is also divided in half by that dashed line. That means that the second upper half of trapezoid is also 3, which makes the height to be 6. 

Now that you know the height, you can find out the area.
(17+7)/2*6 = 72 cm^2
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Answer:

The price of gasoline in Paris is $6.00/gallon

Step-by-step explanation:

We are asked to find the price of gas in dollars per gallon for gasoline in Paris.

Step 1

We are told in the question that: the average price of gasoline in Paris, France, is 1.91 euros per liter.

Also we are told that, the exchange rate is 1.203 euros for one dollar

We convert the Euros to dollars

If, 1.203 euros = 1 dollar

1.91 euros = x dollars

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1.203 euros × x dollars = 1.91 euros × 1 dollar

x dollars = 1.91 euros × 1 dollar/ 1.203 euros

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Therefore, 1.203 euros = Approximately 1.59 dollars.

Hence, the price of gasoline in Paris, France is 1.59 dollars per liter.

Step 2

We convert the from liter to gallon

In the question, we are told that:

If there are 3.785 liters in one gallon

Therefore, if

1 liter of gasoline = 1.59 dollars

3.785 liters of gasoline =

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Since 3.785 liters of gasoline = 1 gallon of gasoline, therefore, the price of gas in dollars per gallon for gasoline in Paris is $6.00/gallon

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In the first grid more squares are shaded than in the 2nd grid.
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