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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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2 years ago
in a triangle two sides of the same length the ratio of each of these sides to the third side is 5:3 if the perimeter of the tri
AveGali [126]

Answer:

Step-by-step explanation:

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           P = s1 + s2 + s3                 side 1 = side 2 =  x

                                                     x/side 3 = 5 / 3

                                                     x  = (5/3) side 3

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                                                     perimeter = 65    slove for x

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          side 3 = 25(3/5)  = 15

3 0
3 years ago
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