bantu jawab no.2 ya yg bisa. makasi

Bab Lingkaran

a. d^2 = p^2 - (R + r)^2
d^2 = 13^2 - (7 + 6)^2
d^2 = 169 - 169
d = √0
d = 0 cm

b. l^2 = p^2 - (R - r)^2
l^2 = 13^2 - (7 - 6)^2
l^2 = 169 - 1
l = √168
l = √(4 × 42)
l = 2√42 cm