Answer:
the lateral area of cone is L=A﹣πr2
the surface area of cone is

Different parallelograms require different ways of solving so theorems tell you how each parallelogram can be solved
Answer:
X is equal to -1.
Step-by-step explanation:
bet
Answer:
Step-by-step explanation:
r=4/(-2)=-2
Answer:
1. 100
2. 27 
3. 30
Step-by-step explanation:
Area = 

=
x 
= 100
Volume = l x w x h
= 3 x 3 x 3
= 27