Question

Given lines L1 || l2 and l2 || l3 in figure the value of x is
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Answer 1

Answer:

X is 140°

Step-by-step explanation:

L¹||L²||L³

lines are corresponding angles

If 1st angle is 40°

then the 2nd angle is 40°

also the 3rd angle is also 40°

because all these angles are corresponding angles so the angles are also same

so according to linear pair

180°-40°=140°

x is 140°

HOPE IT'S HELPFUL

Answer 2

Solution :-

given that, L1 || L2

So,

→ ∠1 = 40° { Corresponding angles }

now, given that, L2 || L3 .

So,

→ ∠1 = ∠2 { Corresponding angles }

→ ∠2 = 40°

now,

→ ∠2 + x = 180° { Linear pair }

→ 40° + x = 180°

→ x = 180° - 40°

→ x = 140° (Ans.)

Hence, value of x is equal to 140° .

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