tolong jawab dong qaqa

Kll lingkaran = pi . diameter
= 3.14 × 20
= 62.8 m

Kll persegi = 20.2
= 40 m

KLL arena = 62,8 + 40
=102,8 m

102,8 × 20
=2056m
=2,056 km

(C). 2,056 km