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Ulleksa [173]
2 years ago
8

If the transformation was a rotation, tiffany can or cannot be certain the trapezoids are congruent?

Mathematics
1 answer:
soldi70 [24.7K]2 years ago
5 0

Answer: Tiffany can be certain the trapezoids are congruent.

Step-by-step explanation: Two figures are <u>congruent</u> when their corresponding angles are equal and they have the same shape and size.

A figure can go thorugh 3 types of transformations:

  • <em>Rotation</em>: the figure is turned around a fixed point;
  • <em>Reflection</em>: is created by fliping over the figure over a line;
  • <em>Translation</em>: move the figure to another location, without changing its size;

As long the figure doesn't change its size or shape, it doesn't matter if it's rotated, reflected or translated, they will be congruent.

When the trapezoid was rotated creating another one, the two shapes didn't change its size or shape, so Tiffany can be certain they are congruent.

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Olegator [25]

Answer:

it’s b.

Step-by-step explanation:

(6)^2+(8)^2is not equal to (11)^2

7 0
2 years ago
What is the area of this trapezoid
balandron [24]

Answer:

640.5 cm^2

Step-by-step explanation:

So the formula for trapezoid is height times the average of the bases. So 25+36=61, and then we divide that by 2 to get 30.5 as our average. Then, we take 30.5 and multiply it by 21 and we get 640.5.

6 0
3 years ago
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Find the 91st term of the arithmetic sequence 28, 8, –12, ...<br><br> Anybody know the answer?
tankabanditka [31]

Answer:

-1772

Step-by-step explanation:

The nth term of an arithmetic sequence is expressed as;

Tn = a+(n-1)d

a is the first term

n is the number of terms

d is the common difference

From the sequence

a = 28

d = 8-28 = -12-8 = -20

n =91(since we are looking for the 91st term)

Substrate

T91 = 28+(91-1)(-20)

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6 0
3 years ago
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It is given sum of three consecutive numbers is 46.

So,x+x+1+x+2=46

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Subtracting 3 both sides

3x=46-3

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6 0
3 years ago
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Having trouble on this
lilavasa [31]

The answer is the first one

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