Tolong banntu yaa.. mueheheee

~GSPL = 24 cm
~P = 26 cm
~r1 = 18 cm

ditanya : r2 . . . ?

Jawab :
r1 - r2 = ✓P² - GSPL²
18 - r2 = ✓26² - 24²
18 - r2 = ✓676 - 576
18 - r2 = ✓100
18 - r2 = 10
-r2 = 10 - 18
-r2 = -8
r2 = 8 cm (B)
semoga bermanfaat