In the diagram, K, L, and M are the midpoints of the sides of triangle symbol ABC. The vertices of the smaller shaded triangles are the midpoints of the sides of triangle symbol KBL, triangle symbol AKM, and triangle symbol MLC. The perimeter of triangle symbol ABC is 72 in. What is the perimeter of the shaded region?

step-by-step explanation:

21.4 i did it already for s1

step-by-step explanation:

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half

c.

step-by-step explanation:

because first you have to add the 4x, 9x, and the 7x together and you get 20x and then you add the last numbers up and you get 5and then you put the subtraction sign in there and that's how you get the answer.