Question

7. The area of a square piece of cardboard is 70 cm2. What is the
approximate length of each side of the cardboard?

Answer 1

Answer:

8.3 cm

Step-by-step explanation:

so area of a square= side×side

since all sides are equal in a square

so= s×s=70cm²

√s²=√70

s=8.3 cm

Answer 2

all together the approximate length would be s=8.3 cm