Find the perimeter of an isosceles right angled triangle of equal sides 15 cm each.
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Answer:
perimeter= 51.21 cm
Step-by-step explanation:
AB=15 cm
BC=15 cm
By pythagorus theorm
(AC)²= BC²+AB²
= (15*15) +(15*15)
=225+225
=450
AC=√450
AC= 21.21
Perimeter= AB+BC+AC
=21.21+15+15
=21.21+30
=51.21 cm
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