A formula helps you or tells you what to do to find the are, perimeter, volume of any shape. A = 1 x w is a formula to find an area of a 2-d figure. it is a formula becuase it tells you what to do to find the area.
Volume of sphere: 
, put $r=5 in$
Volume of cylinder:$ \pi r^2 h$, put $r=8 in, \: h=11 in$
Answer:
Well i dont know what all the sides/angles are called but no they are not congruent.
Step-by-step explanation:
Congruent, means for the 2 objects, shapes, etc. to be exactly the same. If you look at the triangles, they are not the same shape of triangle.
Answer:
2
Step-by-step explanation:
