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Earn +20 ptsQ: What is the perimeter of an equilateral triangle with 7-cm sides?
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What is the perimeter of a equilateral triangle with 7cm sides?
7 cm x 3 sides = 21 cm perimeter.
What is the perimeter of an equilateral triangle whose side is 7cm?
It is: 3*7 = 21cm
A regular pentagon has 7cm sides what is the perimeter of it?
Perimeter = sum of the lengths of sides = 5* 7 cm = 35 cm
How many triangles have the perimeter of 15cm?
To determine the number of triangles with a perimeter of 15cm, we need to consider the possible side lengths that can form a triangle. The triangle inequality theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side. With a perimeter of 15cm, the possible side lengths could be (5cm, 5cm, 5cm) for an equilateral triangle, (6cm, 5cm, 4cm) for an isosceles triangle, or (7cm, 5cm, 3cm) for a scalene triangle. Therefore, there are 3 possible triangles that can have a perimeter of 15cm.
What is the perimeter of a regular octagon with sides of 7cm?
Perimeter = 8*7 = 56 cm
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