Question

By Seeing Diagram what will be the perimeter of the Triangle ?​

Answer 1

Answer:

You'll expose your hair to harsh pool chemicals if you go swimming every day. ... Pool chemicals can also cause dryness and significant damage. There are things you can do to prevent damage, like wearing a swim cap or rinsing your hair with water before and after a swim

Answer 2

Let PQ=QR=a cm

from right angled traingle hyp=PR= √2 a cm

given PR = 20 cm

hence √2 a = 20

a= 10√2 cm

perimeter = PQ+QR+PR

= a+a+√2 a

= 10√2+10√2+20

= 20√2+20

=20(√2+1)

= 20(1.414+1)

= 20(2.414)

= 48.28 cm