Question

Pls answer the questions (all)

Answer 1

1;no

2; i don^t know

3;c

4;12

5:20

Explanation:

reasons

1:sum of all side of triangle is 180 degree(here is 220)

3: try in copy and u will able to solve

4:first of all make 9 cm as shown in figure and draw 15 . finally measure the remaining side.

5: 3y+5y+y=180

9y=180

hence,y=20