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alexandr402 [8]
3 years ago
11

Given the diagram below, what is mD?

Mathematics
2 answers:
Roman55 [17]3 years ago
6 0

Answer:

A. 72

Step-by-step explanation:

There are two ways to solve this problem. First of all, this quadrilateral is a trapezoid because the top two angles are congruent and there is one pair of parallel lines. One way to solve the problem is to remember all trapezoids have a measure of 360. So, mD=360-(108+108+72); this equals 72. Additionally, in a trapezoid, the bottom two angles are always congruent; therefore, angle D must equal 72 degrees.

max2010maxim [7]3 years ago
3 0

Answer:

A

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

Note: you did not provide any attached image detailing the dimension of the cylinder however, let us arrange some dimension for explanation purpose

let the dimension of the cylinder be

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height= 5 in

Step two

The expression for the total surface area of a cylinder is

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substitute

T. S. A. =2*3.142*3*5+2*3.142*3^2

T. S. A. =94.26+56.556

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Now let us find the error

%error= actual -expected/expected*100

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Now, you can use the dimension you have for the cylinder to calculate the total surface area, from there, you can solve for the error by following the steps above

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What is the unknown fraction?
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Answer:

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Step-by-step explanation:

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