tolong buat cara nya ya

Ini jawabannya,..Semoga Membantu..

Please, let me answer your question :)
___________________________

Persegi :
- s = 6 cm

Persegi Panjang :
- l = 6 cm
- p = 9 cm

L arsir : 9 cm² x 2 = 18 cm²

Ditanya : L tidak arsir?

LP = s x s
LP = 6 x 6
LP = 36 cm²

LPP = p x l
LPP = 9 x 6
LPP = 54 cm²

L total = 54 + 36 = 90 cm²
L tidak arsir = 90 - 18 = 72 cm²

Yg B jawabannya.

___________________________
Hopefully this is the best for you. And please, make Brainly great again!

Heil Manstein!