Sagot :
Answer:
Answer 310 cm³
Step-by-step explanation:
A= 2 (lw + lh + wh)
A = 2 (10*5 + 10*7 + 5*7)
A = 2 (50 + 70 + 35)
A = 2 (155)
A = 2× 155
A = 310 cm³
Answer:
Answer 310 cm³
Step-by-step explanation:
A= 2 (lw + lh + wh)
A = 2 (10*5 + 10*7 + 5*7)
A = 2 (50 + 70 + 35)
A = 2 (155)
A = 2× 155
A = 310 cm³