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Earn +20 ptsQ: What is the permeter of a regular decagon with 25cm sides?
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A rectangle has a permeter of 60 cm. its length is 5 times greater than its with. what is its length?
25cm - without using a calculator !
Can a regular pentagon with a side measuring 5cmbe congruent to another regular pentagon with a perimeter of 25 cm?
Yes, it definately can and always will be. Since you wrote that both pentagons are regular, all sides (and angles) are equivalent to each other. On the first pentagon, one side measured 5cm, so therefore the rest of the sides total up to 25cm. Since the second pentagon has perimeter 25cm, the pentagons must be congruent.
What is the perimeter of a square if one side is 25cm long?
25cm x 4 sides = 100 cm perimeter
What is the length of the sides of a square if the area is 100 cm square?
The answer to that easy question is 25cm
What is the perimeter of an equilateral triangle with 25cm sides?
Perimeter = 3*25 = 75 cm
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