Answer:
708cm² of wood was used to make the box.
Step-by-step explanation:
Father made a wooden sewing box for Nely. How much wood was used to make the box if the measurement is 20cm long, 6cm wide and the height is 9cm?
What is asked?
- The amount of wood used to make the box.
What are the given facts?
- 20cm long, 6cm wide and 9cm high
What formula should you use?
What is the number sentence?
- A = 2 {(6 × 20) + (9 × 20) + (6 × 9)}
What is the answer?
A = 2(wl+hl+hw)
A = 2 {(6 × 20) + (9 × 20) + (6 × 9)}
A = 2 (120 + 180 + 54)
A = 2 (354)
A = 708