Answer:
19.2
Step-by-step explanation:
12 squared + 15 squared= C squared
144 + 225 = C squared
369 = C squared
Do square root of 369, which is
100
Since the second 4 is two decimal points away from the first 4, the answer should be 100 (two zeros)
perimeter = 30 ft
13 + 5 + 12 = perimeter = 30 ft
36
