tolong bantuannya kk yg no. 2 aja, pakai caranya ya.. sorry gmbarnya kurang jlas...

Lsegitiga
=½×a×t
=½ × 14 × 20
=140cm²

L½lingkaran
=½×π×r²
=½ × 22/7 × 7 × 7
=11×7
=77cm²


Lbangun diarsir
=140 +77
=217cm²