panjang tinggi =√26²-10²
=√676-100
=√576
=24 cm
L.segitiga=1/2 x a x t
=1/2 x 10 x 24
=5 x 24
=120 cm²
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panjang tinggi =√26²-10²
=√676-100
=√576
=24 cm
L.segitiga=1/2 x a x t
=1/2 x 10 x 24
=5 x 24
=120 cm²