Angles 1,7 and 2,8 are alternate exterior angle.
We know that
The Euler's formula state that, the number of vertices, minus the number of edges, plus the number of faces, is equal to two
V - E + F = 2
clear F
F=2-V+E
in this problem
V=8
E=14
F=?
so
F=2-8+14
F=8
the answer is8 faces
Answer:
a subtraction sign belongs in the circle
Step-by-step explanation:
[4+8×3]÷(16-2) is:
[(4+24) ÷ 14] = 28/14 = 2
Answer
g= 3 1/2 (#D)
Step-by-step explanation: