Picture containing the options is attached below
Answer:
9 feets, 15 feets, 19 feets
Explanation:
15, 30, 21
Given that the length of two of the 3 sides aee:
9 feets and 12 feets.
If the 3 sides are a, b and c
a = 9 feets ; b = 12 feets
The length of side c, could be any value between the difference of the two Given sides or the sum, Thus ;
(a - b) < c < (a + b)
(12 - 9) < c < (12 + 9)
3 < c < 21
Hence, c coukd be values between 3 and 21
9 feets, 15 feets, 19 feets
