Question

Tolong dikerjakan semua/dijwb semua dikasih cara !

Answer 1

No.4 L1.P×L=15×15=225 cm2
L2.p×l=25×5=125 cm2
225+125=350 cm2
no.5 l=1/2×diagonal1×diagonal 2
no.6 1/2×32×2=336 cm2
no.7 v=1/2×alas×tinggi
a=1/2×6×12=36 cm2
v=1/3×36×10=120 cm2

"semoga bermanfaat"