Question

Please help

Find the coordinates of the vertices of the triangle if it's rotated 270°
counterclockwise.

Answer 1

D) X'(3, -1), Y'(2, -5), Z'(-1, -3)

Explanation:

From inspection of the given diagram, the vertices of the triangle are:

• X = (1, 3)
• Y = (5, 2)
• Z = (3, -1)

Mapping rule for a rotation of 270° counterclockwise:

• (x, y) → (y, -x)

Therefore, the vertices of the rotated triangle are:

• X' = (3, -1)
• Y' = (2, -5)
• Z' = (-1, -3)