Answer :
Answer:
a + b + c = perimeter
a = 31
b = 48
c = ?
31 +48 + c = 117
79 + c = 117
c = 38
the third side is 38
Step-by-step explanation:
Answer:
a + b + c = perimeter
a = 31
b = 48
c = ?
31 +48 + c = 117
79 + c = 117
c = 38
the third side is 38
Step-by-step explanation: