Math, asked by riya002720, 4 months ago

11. In Fig. 63, if AB || CD, the value of xis
(a) 25
(b) 35
(c) 15
(d) 20

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Answers

Answered by rishabh5697

3

Answer:

it's 25

the proof is attached to this answer

Attachments:

Answered by sudaykumar646

1

Step-by-step explanation:

AB//CD

DCB=ACB=3x(alternate)

inabc

a+b+c=180(angle sum prop)

2x+3x+55=180

5x=180-55

5x=125

x=125÷5

=25

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