Question

Bantuin ngerjainnya dong

Answer 1

S = 30
T = ......

Rumus mencari R
= X : 360 . S = R
= 120 : 360 . 30 = R
= R = 10

T.T = S.S - R.R
T.T = 30.30 - 10.10
T.T = 900 - 100
T.T = 800
T = akar 800

Jawabannya B : Akar 800