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AP EAMCET · Maths · Straight Lines

The length of the perpendicular from 1,-2 to the line 12x+5y+63=0 is

  1. A 4 units
  2. B 5 units
  3. C 6 units
  4. D 8513 units
Verified Solution

Answer & Solution

Correct Answer

(B) 5 units

Step-by-step Solution

Detailed explanation

As we know length of the perpendicular from x1,y1,z1 to the line ax+by+c=0 is d=ax1+by1+ca2+b2 Length of the perpendicular from1,-2 to the line 12x+5y+63=0 is d=121+5-2+63122+52 ⇒d=12-10+63144+25=6513=5 units.