सीधी रेखा और के बीच का कोण क्या है?

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Official Sr. Teacher Gr II NON-TSP MATHEMATICS (Held on :29 Oct 2018)
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  1. 45°
  2. 30°
  3. 60°
  4. 90°

Answer (Detailed Solution Below)

Option 4 : 90°
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Sr. Teacher Gr II NON-TSP GK Previous Year Official questions Quiz 4
5 Qs. 10 Marks 5 Mins

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संकल्पना:

रेखाओं के बीच का कोण:

 

 

रेखाओं के बीच का कोण  निम्न द्वारा ज्ञात किया गया है:

, जहाँ a1, b1, c1, a2, b2 और c2 दिशा अनुपात हैं। 

गणना:

दिया गया है:   और 

रेखाओं के दिशा अनुपात a1 = 2, b1 = 5, c1 = 4 और a2 = 1, b2 = 2 , c2 = -3 हैं। 

चूँकि हम जानते हैं, रेखाओं के बीच का कोण निम्न द्वारा ज्ञात किया गया है 

∴ θ = 90° 

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