bantu aku pakai cara ya tong nomor 15

r¹ = 8cm
r² = 6 cm
d = 48 cm
p = ?

jawab :
p² = d² + (r 1+ r 2)²
p² = 48² + (8 + 6)²
p² = 2304 + 196
p² = √2500
p = 50 (a)





semoga membantu :)