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# Lines- intersecting angles (m08q15)

Author Message
Intern
Joined: 04 Jul 2013
Posts: 11
GMAT Date: 10-08-2013

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06 Jul 2013, 06:57
1
KUDOS
durgesh79 wrote:
line equation y = mx + c

m1 = K
m2 = 1

angle between lines = A
tan(A) = m1*m2

statement 1 : K = 2, we can find m1*m2 = 2 Suff

statement 2: doesnt give us value of K. Not suff

Angle between 2 lines is obtained by

tan A = |m1-m2| / |1+m1m2|
Re: Lines- intersecting angles   [#permalink] 06 Jul 2013, 06:57

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# Lines- intersecting angles (m08q15)

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