I would need more information from the question to give an answer for each trapezoid.
Answer:
105 degrees
Step-by-step explanation:
The angle of a straight line is 180 degrees. Since we need to find the angle for 3, it is 180-75 which is 105 degrees.
For perimeter you add all of the sides but for area you multiply each side
Answer:
What is the question?
Step-by-step explanation:
Answer:

Step-by-step explanation:
(r⁻⁷)⁶ = r⁽⁻⁷⁾ˣ⁶
= (r)⁻⁴²