Call the short side x. We have
tan 72° = opposite/adjacent = (12.8 cm) / x
x = 12.8 / tan 72° = 12.8/(3.01) = 4.158...
Answer: 4.2 cm
Answer:
The A option is correct since:

Good luck!
Intelligent Muslim,
From Uzbekistan.
You divide the area and the base
Answer:
b
Step-by-step explanation:
Answer:
60
Step-by-step explanation:
all of those rounded to the nearest ten is 60