Question

Angle XYZ is rotated 270 degrees counterclockwise about the origin to form angle X′Y′Z′. Which statement shows the measure of angle X′Y′Z′? (4 points)

Group of answer choices

m∠X′Y′Z′ = m∠XYZ

m∠X′Y′Z′ = 180 degrees

m∠X′Y′Z′ = 270 degrees

m∠X′Y′Z′ = 2 × m∠XYZ

Answer 1

Answer:

If ax + by = a2 – b2 and bx + ay = 0, find the value of (x + y).