Question

find the perimeter of a square whose diagonal is 72m correct to four significant figure

Answer 1

Answer:

249.4

Step-by-step explanation:

According to the Pythagoras theorem,

Side²+side²=Diagonal²

2s²=(72)²

s²=72*36

s=√(72*36)

s=144✓2=249.408=249.4 (4 significant digits)