A = 2lw + 2lh + 2hwA = 2(12)(3) + 2(12)(5) + 2(5)(3)A = 72 + 120 + 30A = 222 cm squared Hope this helps!! 🙂 Reply
A = 2lw + 2lh + 2hw
A = 2(12)(3) + 2(12)(5) + 2(5)(3)
A = 72 + 120 + 30
A = 222 cm squared
Hope this helps!! 🙂