The ABC coordinate of triangle is known as a (- 6,4) B (- 3,6) C (- 1,2). Rotate the triangle 90 ° clockwise around point C 1. Find the coordinates of a and B after rotation 2. Calculate the area of the rotated figure ABCA

A''(1,7)B''(3,4) S=(4+6)X3/2+(7+6)X4/2-(2+4)X5/2-(7+2)X2/2=17

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