Tolong bantu Pakai cara Terima kasih

SM = Diameter

SM^2 = SD^2 + ST^2
SM^2 = 16^2 + 12^ 2
SM^2 = 256 + 144
SM^2 = 400
SM =
[tex] \sqrt{400} [/tex]SM = 20

r = Diameter : 2
r = 20 : 2
r = 10


Luas setengah lingkaran - luas segitiga
(1/2 x phi x r x r) - (1/2 x a x t)
(1/2 x 3,14 x 10 x 10) - (1/2 x 16 x 12)
157- 96
= 61 cm^2