Question

The area of an isosceles triangle having base 2 cm and the length of one of equal side 4 cm is ____ .​

Answer 1

Answer:

$\huge\red{Answer}$

s=

2

4+4+2

= 5

Area of the triangle

Δ=

s(s−a)(s−b)(s−c)

=

5(5−4)(5−4)(5−2)

=

15

cm

2