Tolong dijawab ya,harus di kumpulkan besok
Jawaban:
K=66
L=462
Penjelasan dengan langkah-langkah:
Keliling 3/4 lingkaran
= 3/4 x π x diameter
= 3/4 x π x (2 x jari-jari)
= 3/4 x π x (2 x 14 cm)
= 3/4 x π x 28 cm
= 3/4 x 22/7 x 28 cm
= 3/4 x 88 cm
= 66 cm
L=3/4*π*r*r
=3/4*22/7*14*14
=462