In the given figure, AB || CD. Find the value of x.
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Answer:
if two sides of the triangle are equal than there must be two angle are equal AB//CD//EC
From the figure CE//EF
X=30
Answered by
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X = 45°
Step-by-step explanation:
GIVEN
AB || CD
A = 75°
F = 30°
___________________________
TO FIND
X
___________________________
We know that,
AB || CD
Therefore,
A = C
75° = C
C = 75°
___________________________
Now
We have C = 75°
We know that,
C and G are linear pair
We know that,
Addition of linear pair is 180°
Therefore,
C + G = 180°
75° + G = 180°
G = 180° - 75°
G = 105°
G = 105°
___________________________
Now
We have F = 30° and G = 105°
We know that,
EFG is a triangle
And
F = 30°
G = 105°
We know that,
Measure of all angles of a triangle is 180°
Therefore,
E + F + G = 180°
X + 30° + 105° = 180°
X + 135° = 180°
X = 180° - 135°
X = 45°
X = 45°
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