Q. 25.0( 2 Votes )
The perimeter of A. 
B. 
C. 3a
D. 
Answer :
It is given in the question that, equal sides of isosceles triangle is a
It is also given that, the given triangle is isosceles right-angled triangle
∴ AC =
AC =
AC =
AC = a
We know that,
Perimeter of triangle = Sum of all sides
∴ Perimeter = (AB + BC + AC)
= (a + a + a)
= 2a + a
= a (2 + )
Hence, option (b) is correct
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