Answer:
The diagonals of an isosceles trapezoid are congruent.
The bases of a trapezoid are parallel.
Answer:
Step-by-step explanation:
Bring constants to one side, simplify:
*Note that the inequality sign only changes when you divide the whole inequality by a negative number.
Answer:
Completing the experiment a few more times and combining the results to the trails already done.
Answer:
Step-by-step explanation:
Use the inverse cosine function.