Question

14.
In the figure, if AB 11 CD, the value of x is:
a. 85°
b. 135°
c. 110°
d none of these​

Answer 1

Answer:

c) 110 °

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Answer 2

Answer:

(b). 135°

Step-by-step explanation:

construct a transversel CF between AB and CD, then a triangle AEF is formed

in ️ AEF,

<AEF + <EAF + <AFC = 180° ( BY angle sum property)

25°+ 110° + <AFC = 180°

so, <AFC = 180° - 135°

< AFC = 45°

then, < BCD = <AFC = 45° ( BY inter. alternet <)

now ,

<BCD + x = 180° ( BY Linear pair)

x = 180° - 45°

so,

x= 135° answer

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