Answer:
A. P = 29.7 m
Step-by-step explanation:
6² + 8² = y²
36 + 64 = y²
y² = 100
√y² = √100
y = 10
10 ÷ 2 = 5
5 × 3.14 × 2
31.4
31.4 ÷ 2 = 15.7
15.7 + 6 + 8 = 29.7