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PLEASE HELP I WILL GIVE 50 POINTS!!!!!!
1.) An algae bloom is threatening to cover Grand Lake St. Mary’s near Celina, Ohio. The EPA needs to calculate the surface area of the lake to treat the algae bloom. Estimate the area of the irregular shape.

PLEASE HELP I WILL GIVE 50 POINTS 1 An Algae Bloom Is Threatening To Cover Grand Lake St Marys Near Celina Ohio The EPA Needs To Calculate The Surface Area Of T class=

Sagot :

Answer:

288 units

Step-by-step explanation:

The shape can be broken down into a trapezoid, a rectangle, and a triangle.

The area of the trapezoid will be [tex]\frac{1}{2} {1}{2} (9)(7+10) = 76.5[/tex]

The area of the rectangle will be [tex](7)(20)=140[/tex]

The area of the triangle will be [tex]\frac{1}{2}(11)(13)=71.5[/tex]

Finding the sum of those shapes will produce an answer of 288 units

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