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36 = 2x + 10
2x = 26
x = 13 cm
Luas = 1/2 x a x t
= 1/2 x 10 x 12
= 60 cm^
36cm-10cm = 2s
26cm = 2s
s =
s = 13cm
t =
=
=
= 12cm
L = 10cm x 12cm
= 60