1x78=78
2x39=78
6x13=78
Hope that helped:)
X = 90-22
x = 68
..............
Answer:
B
Step-by-step explanation:
7pi2
The shape has 9 sides.
Sum of interior angles = (n-2) x 180, where n is the number of sides.
Sum of interior angles = (9-2) x 180 = 7 x 180 = 1,260 degrees.