Question

find the perimeter.
15 cm
25 cm
20 cm
p =? cm

Explanation:

Step1: Recall the formula for the perimeter of a triangle

The perimeter \( P \) of a triangle is the sum of the lengths of its sides. If the side lengths are \( a\), \(b\), and \(c\), then \( P=a + b + c\).

Step2: Identify the side lengths

Here, \(a = 15\space\text{cm}\), \(b=20\space\text{cm}\), and \(c = 25\space\text{cm}\).

Step3: Calculate the perimeter

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Answer:

\(60\)