What is the best estimate of the area of the lake pictured on the grid if each square has a side length of 400 meters? On a coordinate plane, a figure contains around 30 squares.
3,520,000 square meters
4,840,000 square meters
6,720,000 square meters
8,560,000 square meters

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step-by-step explanation:

step-by-step explanation: given equation a = h(b 1+b 2)

also we are given values of a, h and b 1 as :

a = 16, h = 4, and b 1 = 3.

in order to solve it for b 2, we need to plug the given values of   a, h and b 1 .

therefore, plugging values of   a, h and b 1   in given equation, we get

16 = 4( 3 + b 2)

first dividing both sides by 4, we get

4 = 3 + b 2

subtracting 3 from both sides, we get

4 -3 = 3 -3 + b 2

1 = b 2.

the answer is 5/14.

hope this .

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