Matematika TOLONG BANTU JAWAB!!​

hipolitonikolausulv – June 01, 2023

TOLONG BANTU JAWAB!!​

Jawaban:

a.

luas juring AOB = 231

60/360 × π × r² = 231

r² = 231 x 6 x 7/22

r² = 441

r = 21cm

b.

60/360 x keliling

= 1/6 × 22/7 × 21

= 462/ 42 = 11cm