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4 years ago

What is the value of z

Mathematics

1 answer:

Hunter-Best [27]4 years ago

6 0

Let's first find the sum of the interior angles in this polygon. We can use the equation (n - 2) x 180.

There are 8 sides on this polygon, so (8 - 2) x 180 = 1080 degrees.

Now that we know the sum of the interior angles, we can find the value of z by adding up all of the given values for the interior angles and setting the sum equal to 1080.

(134) + (2z - 15) + (2z + 1) + (2z) + (z + 44) + (2z) + (147) + (2z - 12) = 1080

299 + 11z = 1080

11z = 781

z = 71 degrees

Hope this helps! :)

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3 years ago

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Step-by-step explanation:

we know that

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step 1

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$A=(3.14)(15)^{2} +(75)(30)=2,956.50\ ft^{2}$

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3 years ago

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nikitadnepr [17]

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4 years ago

Select the expression that has a value of 96.45

leonid [27]

Given:

Number is 96.45.

To find:

The expression that has a value of 96.45.

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In option a,

$0.9645\times 10^2=0.9645\times 100$

$0.9645\times 10^2=96.45$

In option b,

$9.645\div 10^1=\dfrac{9.645}{10}$

$9.645\div 10^1=0.9645\neq 96.45$

In option c,

$964.5\times 10^3=964.5\times 1000$

$964.5\times 10^3=964500\neq 96.45$

In option d,

$9645\div 10^3=\dfrac{9645}{1000}$

$9645\div 10^3=9.645\neq 96.45$

Therefore, the correct option is a.

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3 years ago