Answer: you will need approximately 23 grams
Step-by-step explanation: but thats approximately
the picture in the attached figure
Step 1
Find the perimeter of the scaled-down model of a walkway (Quadrilateral ABCD)

Step 2
Find the scale factor
if Quadrilateral ABCD is similar to Quadrilateral EFGH
then


Step 3
Find the perimeter of the actual walkway (Quadrilateral EFGH)



therefore
the answer is

Answer:
The third one I have a formula sheet
Step-by-step explanation:
Answer:
13
Step-by-step explanation:
X is most likely used to symbolize a number under twenty but over 10 - but you don't have the question posted
Yeth you are right.......