Answer:

Step-by-step explanation:
This parallelogram contains a right angle. This tells us that the parallelogram is a rectangle.
The diagonals in a parralelogram bisect each other.
The diagonals in a rectangle are congruent.


Answer:
https://www.arlingtonschools.org/cms/lib/NY02215626/Centricity/Domain/5167/Skill39AK.pdf
Step-by-step explanation:
Answer:
d is 9
Step-by-step explanation:
(6d+8) + (3d+1)=90
9d +9=90
9d=90-9
9d =81
d=81/9
d is 9
Answer:
There were 58 students in each bus.
Step-by-step explanation:
Total number of students x=
237
Number of students who travelled by car =
5
∴ Number of students who travelled by bus =
237
−
5
=
232
Presuming the buses to have the same capacity, and knowing that there were four buses, the number of students in each bus can be expressed as:
x
=232
÷4
x
=
58