Answer:
C2H2 + 3O2 ---> 2CO2 + 2H2O
Step-by-step explanation:
Answer:
<h2>m<ABD = 36°</h2><h2>m<DBC = 54°</h2>
Step-by-step explanation:
2 + 3 = 5
90° : 5 = 18
18 × 2 = 36
m<ABD = 36°
18 × 3 = 54
m<DBC = 54°
<h3>
#Let'sLearn</h3>
Answer:
20
Step-by-step explanation: