1 Answer

MontyThreeCard · Answer 1 · 2023-01-23T05:10:11+0000

Answer:

90 cm

Explanation:

The envelope is in the form of a rectangle with:

• Width = 20 cm

,

• Length = 25cm

The perimeter of a rectangle is calculated using the formula:

Substitute the given values:

$P=2(20+25)=2*45=90\operatorname{cm}$

The perimeter of the envelope is 90 cm.

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