Question

answer answer this question please ​

Answer 1

Answer:

You can see the example of this chapter

Answer 2

Answer:

perimeter of the triangle is 1 side +2 side+3side

1. 8+6+5=19cm
2. 7.6+6.4+5.2=19.2cm
3. 4.8+5.3+8.2=18.3cm
4. 6+7.3+8.5=21.8cm