180 degrees - 46 degrees
= 34 degrees
Answer:
The area of the trapezium is 18 ft²
Step-by-step explanation:
Given;
Two parallel sides of the polygon as follows;
The first parallel side = 1 ft + 4 ft = 5 ft
The second parallel side = 4 ft
If this polygon is rotated 90 degrees, it forms a trapezium with a height of 4 ft.
The area of a trapezium is calculated as;

Therefore, the area of the trapezium is 18 ft²
Answer:
The first one is B and the second one is correct
Step-by-step explanation:
6: x= 45 and it is acute
7: x= 45 and it is also acute