1#Im really poor in math and i think im gono fail my math exam . oh god

Can some one help me with these things that i have no idea what they are please PLEASE They are in my exam review paper

Ex.1: Calculate the total surface area of a conical cup with base radius 7cm an slant height 14 cm

Ex.2: A basketball has a surface area of 1810 cm square . find the radius of the basketball and find the volume of the air in it

Sorry if i posted in wrong place

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