Question

R = 14 cm , d = 88 cm , k = ?

Answer 1

Mapel = matematika
jari jari =
k = 2 × π × r
= 2 × 22/7 × 14
= 2 × 22 × 2
= 88 cm

diameter =
k = π × d
= 3,14 × 88
= 276,32 cm