Answer:a number without fractions; an integer.
Step-by-step explanation:
Answer:
3
Step-by-step explanation:
if you have 5 plates and you subtract 2 then you have 3 plates left
5-2=3
▪︎Side 15 cm, 18 cm and x cm form a right angle triangle.
We know that :

Which means :





Thus, x (radius) = 9.9 cm
We know that :

Then, the surface area of this cone :






Therefore, the surface area of this cone = 867.4 cm