Can you answer the qestions?????????

Do you know what the area of a triangle ?                                       

Answer highlight to see ---- (bxh)x1/2

How do you put  55/100 in simplest form ?

Answer highlight to see ---- 1/2

what  does  circumfrnce mean ?

Answer highlight to see ----the  distance around a circle 

what  IS THE AREA FOR VOLUME ?

Answer highlight to see ---- Lxwxh