2 years ago

This circle is centered at the origin, and the length of its radius is 8. What is

1 answer:

Ann [662]2 years ago

7 0

Answer:

Step-by-step explanation:

x² + y² = 64, because when x is 0, y = ± 8, when y is 0, x = ± 8, that is the radius r

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Pyramid Surface Area = (½ * Perimeter of Base * Slant Height) + Base Area

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9966 [12]

Answer:

Total surface area of the pyramid = $25ft^{2}$

Step-by-step explanation:

To find the surface area of the triangular- based pyramid, we will use the formula:

Surface area = Area of base + Area of the three faces

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