She need 3 bags since the area of the triangle is base x height /2
Area 20*6=120
120/2=60
60/20= 3 since each bag covers 20m^2
Answer:
D
Step-by-step explanation:
-(-4)=+4
so it is -20+4
Answer:
C. 189
Step-by-step explanation:
Each triangle is 27 which makes it 108, and 108+81=189
Answer:
41 degrees
Step-by-step explanation:
The three angles need to add up to 180 degrees!
