Respuesta :

number 7 is as follows Answer: C18.9

Step-by-step explanation:

The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. so  (5.65x2)+(3.8x2)=18.9 cm

Answer:

2 is F. 768 because all you have to do is mulltiply base times height oh and 7 is C

Step-by-step explanation: