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horsena [70]
3 years ago
10

PLEASE HELP ME I BEG YOU!!

Mathematics
2 answers:
ivann1987 [24]3 years ago
6 0

1) false

2)true

3)-1.346

<span>4)<span><span>x=−5</span><span>x=-5</span></span></span>

<span>5)<span>x=3</span></span>

<span>6)x =~ 3.91 </span>

<span>7) x = 162.69 </span>

<span>hope I helped :)</span>

7)

klio [65]3 years ago
4 0
1false
2false
3x=1.65
4x=-5
5false
6x=4.51
7x=-2.69
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There are several ways two triangles can be congruent.

  • \mathbf{AC = BD}<em> congruent by SAS</em>
  • \mathbf{\angle ABC \cong \angle BAD}<em> congruent by corresponding theorem</em>

In \mathbf{\triangle AOL} and \mathbf{\triangle BOK} (see attachment), we have the following observations

1.\ \mathbf{AO = DO} --- Because O is the midpoint of line segment AD

2.\ \mathbf{BO = CO} --- Because O is the midpoint of line segment BC

3.\ \mathbf{\angle AOB =\angle COD} ---- Because vertical angles are congruent

4.\ \mathbf{\angle AOC =\angle BOD} ---- Because vertical angles are congruent

Using the SAS (<em>side-angle-side</em>) postulate, we have:

\mathbf{AC = BD}

Using corresponding theorem,

\mathbf{\angle ABC \cong \angle BAD} ---- i.e. both triangles are congruent

The above congruence equation is true because:

  1. <em>2 sides of both triangles are congruent</em>
  2. <em>1 angle each of both triangles is equal</em>
  3. <em>Corresponding angles are equal</em>

See attachment

Read more about congruence triangles at:

brainly.com/question/20517835

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If U=π (r+h),find the value of "r" when U=16 whole 1 upon 2 and h=2​
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Step-by-step explanation:

Here, we want to find the value of r given the values

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h = 2

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r = 33/2/22/7 - 2

r = (33/2 * 7/22) - 2

r = 21/4 - 2

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yawa3891 [41]

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Step-by-step explanation:

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