Question

find the perimeter. include the unit. 10 cm 12 cm 7 cm

Explanation:

Step1: Recall perimeter of triangle

Perimeter of a triangle is sum of its three sides.

Step2: Add the side lengths

Sides are \(10\) cm, \(12\) cm, \(7\) cm. So perimeter \(= 10 + 12 + 7\)
\(= 29\) cm

Answer:

29 cm