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:
1700
Step-by-step explanation:
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Answer:
5 units
Step-by-step explanation:
Length AB,
Just apply the formula;
Length between two points =square root of [(difference in x coordinates)^2 + (difference in y coordinates)^2]
Length AB =square root of [(4 - 7)^2 + (-5 - - 9)^2]
Length AB =square root of [ (-3)^2 + (4)^2]
Length AB = square root of (25)
Length AB = 5 units
Answer is c
Explanation: pythagorean theorem
a^2+b^2=c^2
