Respuesta :

Answer:

perimeter=21+17+10

=48cm

The perimeter of this triangle is 48cm.

What is the perimeter of a triangle?

Add the lengths of the triangle's sides to find its perimeter. For instance, the perimeter of a triangle with sides a, b, and c will be P = a + b + c.

The perimeter of a shape exists described as the total length of its boundary. The perimeter of a shape exists specified by adding the length of all the sides and edges enclosing the shape. It exists estimated in linear units of measurement like centimeters, meters, inches, or feet.

Given

a = 10 cm

b = 17 cm

c = 21 cm

perimeter   = a+b+c = 10+17+21 = 48 cm

The perimeter of this triangle is 48cm.

To know more about perimeter refer to :

https://brainly.com/question/397857

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