Aparallelogram must be a rectangle when it’s •a.)diagnols are perpendicular •b. diagnols are congruent •c. opposite sides are parallel •d. opposite sides are congruent

B.Diagnols are congruent

Step-by-step explanation:

A, C and D are not for rectangle only

7.25

step-by-step explanation:

we know that 7 equals to 7.0. we also know that 1/4=0.25. so we can add the two together and we get 7.25

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction