please show me how httpswwwklcommathgeometrypythagoreantheor

please show me how

https://www.kl.com/math/geometry/pythagorean.theorem Learning Recommendations Diagnostic Geometry Q.1 Pythagorean Theorem You have prizes to reveall Go 25 cm 15 cm What is the perimeter? centimeters Submit Not feeling ready yet? These can help:

Solution

Pereimeter for a triangle is sum of its sides, which in our case is 25+15+b

Now, since this is a right triangle , we have

25^2 = 15^2 + b^2

625 = 225 + b^2

b = 20

Hence perimeter = 25+15+20 = 60 cm