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Reflect a triangle ABC, A(2,4), B(4,6) & C(2,6) about a line 2y - x - 4 = 0. Find out the new vertices of a triangle.
written 7.4 years ago by gravatar for teamques10 teamques10 ★ 65k modified 2.3 years ago by gravatar for pedsangini276 pedsangini276 • 4.8k

Mumbai University > mechanical engineering > Sem 7 > CAD/CAM/CAE

Marks: 8 Marks

Year: May 2016
cad cam cae
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written 7.4 years ago by gravatar for teamques10 teamques10 ★ 65k

enter image description here

2Y – X – 4 = 0

Y = 0.5X +2

tan⁡θ = m = 0.5

∴y=mx+c

θ=26.56°

Steps:-

  • Tr = Translate point ( 0, -2 ) to origin O ( 0, 0 )
  • R = Rotate the line about origin by .θ=-26.56°
  • Reflect the object about x-axis( Mx)
  • Inverse …

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