tolong ya kak terimakasih

1.L=p×l
=80×60
=4800 cm²

2.L=2500 cm²
AB=√2500
AB=50 cm

3.L=1/2×a×t
=1/2×60×40
=30×40
=1200 cm²

4.L=a×t
=10×8
=80 m²

5.L=1/2×D¹×D²
=1/2×(5+5)×(12+12)
=1/2×10×24
=5×24
=120 cm²