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Stells [14]
3 years ago
15

Please help! I need an immediate correct answer please see attachment thanks so much

Mathematics
1 answer:
MA_775_DIABLO [31]3 years ago
3 0

Label the vertices A (- 3, - 2), B (- 7, - 3 ), D (- 4, - 5 )

and the centre of dilatation C (- 7, - 6 ), then

CA = a - c = < - 3, - 2 > - < - 7, - 6 > = < 4, 4 >

CA' = 3 < 4, 4 > = < 12, 12 >

A' = (- 7 + 12, - 6 + 12 ) = ( 5, 6 )

CB = b - c = < - 7, - 3 > - < - 7, - 6 > = < 0, 3 >

CB' = 3 < 0, 3 > = < 0, 9 >

B' = (- 7 + 0, - 6 + 9 ) = (- 7, 3 )

CD = d - c = < - 4, - 5 > - < - 7, - 6 > = < 3, 1 >

CD' = 3 < 3, 1 > = < 9, 3 >

D' = (- 7 + 9, - 6 + 3 ) = ( 2, - 3 )

Summarising

(- 3, - 2 ) ⇒ (5 , 6 )

(- 7, - 3 ) ⇒ (- 7, 3 )

(- 4, - 5 ) ⇒ (2, - 3 )





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