Answer:
13 cms
Step-by-step explanation:
By Pythagoras:-
x^2 = 12^2 + 5^2
x^2 = 144 + 25
x^2 = 169
x = √169
= 13
10
130+40+x =180
x=10
option 2 is correct
pyramids and cones have 1 base.
The cross section is A. Hexagon, a 6-sided figure.
