Question

In the following figure if L1 + L3 = 120° then L2 + L4 is equal to ​

Answer 1

Answer:

LB+BU×hj-gh= 67738

Step-by-step explanation:

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Answer 2

⇒y=

2

180−x

Step-by-step explanation:

Refer the attached figure

l_1||l_2l

1

∣∣l

2

∠BCK =∠BGE (corresponding angles)

∠BCK =∠BGE =x

Since l_3||l_4l

3

∣∣l

4

So, ∠BGE =∠EGH(Alternate interior angles)

So, ∠BGE =∠EGH =x

Now ∠EGH +∠HGI+∠IJG = 180° (Linear pair )

\Rightarrow x+y+y=180⇒x+y+y=180

\Rightarrow 2y=180-x⇒2y=180−x

\Rightarrow y=\frac{180-x}{2}⇒y=

2

180−x

So, the value of y in terms of x is \Rightarrow y=\frac{180-x}{2}⇒y=

2

180−x