Answer:

Step-by-step explanation:
we know that
The perimeter of triangle is equal to the sum of the length of the three sides
Let

the formula to calculate the distance between two points is equal to
Find the distance AB

substitute in the formula
Find the distance BC

substitute in the formula
Find the distance AC

substitute in the formula
Find the perimeter


Hello.
Time taken by 3 person to paint one wall=32÷4=8minstime taken by 1 person to paint one wall=8*3=24minstime taken by 1 person to paint 7 walls=24*7=168 minstime taken by 4 persons to paint 7 walls=168÷4=42mins
Answer= 42 minutes
Have a nice day
Answer:
The calculated value is "0.214"
Step-by-step explanation:
Given expression :

solution:

12 16/56 + 3 35/56 = 15 51/56