ਚਿੱਤਰ ਵਿੱਚ ℓ₁ ∥ ℓ₂ ਹੈ ਤਾਂ x ਦਾ ਮੁੱਲ ਪਤਾ ਕਰੋ ।In the given fig, if ℓ₁ ∥ ℓ₂ then find the value of x. दिए गए चित्र में ℓ₁ ∥ ℓ₂ है तो x का मूल्य पता करो । *
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∠GEF=180−∠CEF(∵∠GEF and ∠CEF are complementary angles){∴∠GEF=30•
and ∠GCD=∠GEF (from the figure, CD∣∣EF)
⇒∠GCD=30°
Now, ∠BCD=∠BCG+∠GCD
⇒∠BCD=25° +30° =55°
∠ABC=∠BCD(∵AB∣∣CD)
∠ABC=x=55°
Therefore the value of x is 55.
Plzz ask in English & I think it helps
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