lingkaran luasnya 616 cm². hitunglah kelilingnya!

Luas lingkaran = πr²
616 = 22/7 x r²
616 x 7/22 = r²
196 = r²
r = √196
r = 14 cm
Keliling lingkaran = 2πr
= 2 x 22/7 x 14
= 88 cm

Luas= phi x r x r
616 =22/7 x r^2
r^2=616 x 7/22
r^2=196cm
r=14cm

Keliling=phi x d
=22/7 x 28=88 cm
Semoga membantu
Tolong terbrainly