Penjelasan dengan langkah-langkah:
tinggi trapezium
=√10² -6²
=√100-36
=√64
= 8cm
Luas bangun diatas
L1 - L2
=p . l - a +b/2 . t
= 19 . 14 - 19 +7/2 . 8
= 266 - 104
= 162cm²
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Penjelasan dengan langkah-langkah:
tinggi trapezium
=√10² -6²
=√100-36
=√64
= 8cm
Luas bangun diatas
L1 - L2
=p . l - a +b/2 . t
= 19 . 14 - 19 +7/2 . 8
= 266 - 104
= 162cm²