Question

A triangle has coordinates A (1, 5), B (-2, 1) and C (0, -4). What are the new coordinates if the triangle is rotated 90° clockwise around the origin?

Answer 1

@johnweldon1993

Answer 2

how is being 21 john weldon?

Answer 3

@johnweldon1993

Answer 4

Hints:
\(r_{-90}: (x,y) -> (y,-x)\)

For example, a point with coordinates X(3,6)->X'(6,-3)

Answer 5

ok got it thankss! @mathmate