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Marrrta [24]
3 years ago
8

What is the area of the octagon?

Mathematics
1 answer:
Anna007 [38]3 years ago
8 0

Answer:

A=2(1+2)a2

Step-by-step explanation:

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Why did I get this question wrong?
Talja [164]

Answer:

9.25

Step-by-step explanation:

M₄ means the area using 4 rectangles with heights equal to the function evaluated at the midpoints.

The width of each rectangle is (4−0)/4 = 1.

The area of each rectangle is:

M₁ = (1) (1.12) = 1.12

M₂ = (1) (1.80) = 1.80

M₃ = (1) (2.69) = 2.69

M₄ = (1) (3.64) = 3.64

The total area is therefore:

M = 1.12 + 1.80 + 2.69 + 3.64

M = 9.25

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Step-by-step explanation:

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