1 Answer

Xinan · Answer 1 · 2019-10-23T02:55:56+0000

a² + b² = c²

c² = 4² + 6.5²

c² = 58.25

c = 7.63

Perimeter = 4 + 6.5 + 7.63 = 18.13 units.

Perimeter after the increase in scale = 18.13 x 4 = 72.52 units.

Answer: 72.52 units

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