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3 years ago

Find the surface area of each figure. Round your answers to the nearest hundredth, if necessary.

Mathematics

1 answer:

Veronika [31]3 years ago

6 0

Answer: surface area = 313.2 cm²

Step-by-step explanation:

The given figure is an hexagonal pyramid. It has a hexagonal base and six triangular lateral faces. The formula for determining the surface area of the pyramid is expressed as

Surface area = 3ab + 3bs

Where

a represents the apotherm which is the distance from each side of the hexagon to the center.

b represents the base length

s represents the slant height of the hexagonal base.

From the information given,

a = 5.2 cm

b = 6 cm

s = 12.2 cm

Surface area = (3 × 5.2 × 6) + (3 × 6 × 12.2) = 93.6 + 219.6 = 313.2 cm²

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1 year ago

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2 years ago

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The sum of two numbers is 18. One number is 2 more that for times the other. Find the numbers.

seropon [69]

Hi there!

Let the first number be represented by X.
The second number (which is 2 more than four times the other), can be represented by 4X + 2.

We can now find the sum of this expression.
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Subtract 2.
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3 0

2 years ago

What is 3 minus the exponet of 5

xz_007 [3.2K]

I'm going to assume you mean 3 to the power negative 5.

3^-5

Use rule [ x^-y = 1/x^y ]

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