Acoordinate grid is labeled from negative 5 to 0 to 5 on both x and y axes at increments of 1. figure abcd has a at ordered pair 1, 1, b at 3, 3, c at 4, 2, d at 4, 1. figure a prime b prime c prime d prime has a prime at ordered pair 1, negative 3, b prime at 3, negative 1, c prime at 4, negative 2, d at 4, negative 3.

which angle in figure a′b′c′d′ is equal to angle bcd.?

angle d prime a prime b prime.
angle a prime b prime c prime.
angle b prime c prime d prime.
angle c prime d prime a prime.