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= √25.2 + 25.2
= √50 + 50
= √100
= 10
Luas bidang diagonal
= 5√2 * 10
= 50√2
Dit : AC = ...?
= ...?
Jwb:
AC =
=
=
= 5 cm
= 5.(2) cm
= 10 cm
AC = BG
= AB x BG
= 5 cm x 10 cm
= 50 cm²