Ada yg pinter Mtk..yg pinter Mtk jawab yeee.

maaf jika ada kekeliruan.

smg membantu

(2) a=2t
L= a×t /2
64 = 2t×t /2
64 = t^2
t = 8 cm
(3) a.L= 13×14 /2
= 91
b.L= 16×30 /2
= 240
(4) a.segitiga siku2 sama kaki
L= 10×10 /2
= 50
b. 1/2a =1/2 × 8
a = 8
L= 6,9×8 /2
= 27,4
Maaf klo salah