Answer:
4
Step-by-step explanation)
n(3) - 5 = 7
n(3)= 7 + 5
n(3)= 12
n3/3 = 12/3
n =4
Answer:
EF=22
C=70°
B=110°
Step-by-step explanation:
Trapezoids have to have a total of 360° and there are complementary angles.
Look for the one with Parallel diagonals
Answer:
2
Step-by-step explanation:
57x + 1 = 115
57x = 115 - 1
57x = 114
x = 114 / 57
x = 2