Question

Tentukan luas bangun datar I!
Itu bangun datar persegi panjang ya. Beserta cara ya teman2

Answer 1

L1 = l = 9 cm + 5 cm = 14 cm - 4 cm = 10 cm 
      = p x l
      = 4 cm x 10 cm = 40 cm^2
L2 = p =  12 cm - 2 cm(dari panjang b.datar 3) = 10 cm
        l= 9 cm + 5 cm = 14 cm
      = p x l
      = 10 cm x 14 cm = 140 cm^2
L3 = p = 16 cm - 14 cm = 2 cm
     = p x l 
     = 5 cm x 2 cm = 10 cm^2
luas gabungan = L1 + L2 + L3
                        = 40 cm^2 + 140 cm^2 + 10 cm^2 
                        = 190 cm^2