Answer:
For triangle ABC, angle =90 degrees,and side AC has a length of 15
Step-by-step explanation:
Hope this helps
5:9
81 mm
Now: 1 mm
In 10 minutes: 3 * 1 mm = 3 mm
In 20 minutes: 3 * 3 mm = 9 mm
In 30 minutes: 3 * 9 mm = 27 mm
In 40 minutes: 3 * 27 mm = 81 mm
Answer: 81 mm
