Q: What is the perimeter of an equilateral triangle with sides of 3cm?

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Square side 3cm. Rectangle 2cm x 4cm. Equilateral triangle side 4cm.

12cm (4 sides x 3 = 12)

A scalene triangle

It will be a right angle triangle with a base of 3cm, a height of 4cm and a hypotenuse of 5cm

Perimeter of rectangle: 5+3+5+3 = 16cm

Related questions

Height of an equilateral triangle = âˆš3 / 2 x side = (âˆš3 / 2 ) x 3 = 2.598 cm.

it is a equilateral triangle and 3cm each side base times high divided by 2 so........... 3x3=9 divided by 2= 4.5 cm

Square side 3cm. Rectangle 2cm x 4cm. Equilateral triangle side 4cm.

It is probably an isosceles triangle.Isosceles triangle = 2 sides the same lengthUnless the 3rd side is also 3cm, in which case it would be an equilateral triangle.

An isosceles triangle

20cm

With 3cm for each sides.

An isosceles triangle.

12cm (4 sides x 3 = 12)

A scalene triangle

Perimeter of rectangle: 5+3+5+3 = 16cm

It will be a right angle triangle with a base of 3cm, a height of 4cm and a hypotenuse of 5cm