If Kenny bought 20 packs of baseball cards and there are 12 cards in a pack, you can calculate how many cards did Kenny buy using the following steps:
20 packs of cards * 12 cards in a pack = 20 * 12 = 240 cards
Result: Kenny bought 240 cards.
Volume =
1 πr2h
3
=
1 ×π×42×7
3
= 117.28612573402 centimeters^3
Hey user!
your answer is here...
laws ( rules ) of reflection are :-
• angle of incidence is equal to angle of reflection.
• the incident ray, Normal ray and reflected ray all lie in same plane.
cheers!!