Answer:
350 x 15 = 5250, or in Other words it takes 15 hours to for 5250 buttons to be manufactured.
Step-by-step explanation:
144
Sum of interior angles:
180(n-2)
180(10-2)
1440
Measure of each interior angle:
1440/10=144
Answer: 73 inches high
Step-by-step explanation: 57+16=73
15cm long