A △ Has to have 180º so 72+56 b would have to be appx. 52degrres
Answer:
11 book shelves
Step-by-step explanation:
All you have to do is divide 69/9 =10.66
round up and get 11 book shelves
Answer:
Figure D is regular polygon.
Answer:
15. 122.49 16.13.17
Step-by-step explanation:
You are changing the sign on one so to keep an equilibrium you change the other sign too
