Bantuanya Guys Nomor 2-5 Aja Guyss #Tolong Dibantu

1.L=150
=P×L =P×L ,
=5×20 =5×10
=100 =50
=100+50=150

K=80
=2×(P+L) =2×(P+L)
=2×(5+20) =2×(5+10)
=2×25 =2×15
=50 =30
=50+30=80

2.L=465
=1/2×(A+B)×T =1/2×A×T
=1/2×(10+50)×5 =1/2×42×15
=1/2×60×5 =1/2×630
=1/2×300 =315
=150
=150+315=465

K=125
=A+B+C+D
=20+21+42+42
=125
no 2 keliling segitiga gak ada jadi itu isinya

3.
no3 aku kurang tau

4.
no4 aku kurang tau

5.
no5 aku kurang tau