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Nata [24]
2 years ago
11

Geometry help please

Mathematics
2 answers:
Nana76 [90]2 years ago
8 0

Answer:

CED = 117

Step-by-step explanation:

21x +21 = 7x +49

21x - 7x = 49 - 21

14x = 28

x = 28/14

x = 2

7x + 49

=7(2) + 49

=14 + 49

=63

180 -63 = 117

CED= 117

Rashid [163]2 years ago
5 0

Answer:

7x+49=21x+21 ( vertically opposite side are equal )

49-21=21x-7x

28=14x

x=28÷14

x=2

hence, putting the value of x

7x+49=7×2+49

=63

21x+21=21×2+21

=63

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mixer [17]

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5 0
3 years ago
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snow_lady [41]
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5 0
1 year ago
Find the area of the regular polygon 7 in​
nata0808 [166]

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4 0
2 years ago
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11Alexandr11 [23.1K]

Answer:

<em>The answer is Hence Proved</em>

Step-by-step explanation:

       Given that CB║ED ,  CB ≅ ED

       To prove Δ CBF ≅ Δ EDF

  •       CB ≅ ED   ( Given )

        This means that the length of CB is equal to ED

        As CB║ED The following conditions satisfies when a transversal cut

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  •    ∠ EDF = ∠ FBC   ( Alternate interior points )
  •    ∠ DEF = ∠ FCB   ( Alternate interior points )

       ∴ Δ CBF ≅ Δ EDF    ( By ASA criterion)

        The Δ CBF is congruent to Δ EDF By ASA criterion .

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6 0
3 years ago
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