Question

Each angle of rectangle is​

Answer 1

Answer:

each angle of rectangle is 90 degree

Answer 2

Answer:

"90 degrees"

Conjecture (Rectangle Conjecture I ): The measure of each angle in a rectangle is 90 degrees. Proof: This follows directly from the Quadrilateral Sum Conjecture which says that the sum of angles in any convex quadrilateral is equal to 360 degrees.