Answer:
B
Step-by-step explanation:
Euler's formula for polyhedra states that
F + V - E = 2
where F is faces, V is vertices and E is edges
Substitute the values given and solve for F, that is
F + 13 - 26 = 2
F - 13 = 2 ( add 13 to both sides )
F = 15 → B
Answer: the surface area is 7,800
Step-by-step explanation:
I'm not sure how euros work but I'm almost certain there are 18 20p coins
D between points (x1,y1) and (x2,y2) is

given
(2,5) and (-4,8)




D=(√9)(√5)
D=3√5