Question

Find the perimeter of
triangle KID , given that KI = 7 cm , ID = 10 cm and DK = 12cm​

Answer 1

Answer:

29

Step-by-step explanation:

perimeter of triangle = KI + ID + DK

= 7 + 10 + 12 = 29

Answer 2

Answer:

9cm

Step-by-step explanation:

We will discuss here how to find the perimeter of a triangle. We know perimeter of a triangle is the total length (distance) of the boundary of a triangle.

Perimeter of a triangle is the sum of lengths of its three sides.

Perimeter of a Triangle

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For example, perimeter of the ∆PQR = PQ + QR + RP

The perimeter of a triangle ABC

Perimeter of a Triangle

= AB + BC + CA

= 2 cm + 4 cm + 3 cm,

(add the length of each side of the triangle).

= 9 cm

Perimeter of the triangle = Sum of the sides.

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