19 If the shape in the diagram rotates about the dashed line which three dimensional object will be formed
OA

hello :

by applying the distributive property :

6 × 4.3 = 6 × ( 4 + 0.3 )

            =   (6 ×   4) + (6 ×   0.3)

            = 24 + 1.8

6 × 4.3 = 25.8

make sure you have version 2.50

try looking in the very back of the book : )

step-by-step explanation:

you can download it here

86

step-by-step explanation:

find the area of the triangle then multiply by 2 then add the area of the parollelegram multiplied by 2

its kinda hard to answer this when we dont have all the information that we need.