Answer;
-Calculate the lengths of the diagonals, and show that they are equal.
-Calculate the slopes of every side, and show that adjacent sides are perpendicular.
Explanation;
-A parallelogram is a quadrilateral with 2 pairs of opposite, equal and parallel sides. If the diagonals of a parallelogram are congruent, then it’s a rectangle and also if a parallelogram contains a right angle, then it’s a rectangle.
To find this answer, we need to multiply 3.57 by 12.
Therefore, 12 planks will cost $42.84.
1- 13 or -13 (B)
2- -5 < y < -3 (A)
3- t = 6 or -6 (B)
Hope this helps you =)
Answer:
B, C, E
Step-by-step explanation:
This is correct. Trust me.
It is 25 percent because 6 goes into 24 4 times
