Question

The area of a right angled isosceles triangle with equal sides of length 4cm each is ?​

Answer 1

Answer:

S= semiperimeter

S=

2

a+b+c

=

2

4+8+8

=10

By Heron's Formula,

A(ΔABC)=

S(S−a)(S−b)(S−c)

=

10(10−4)(10−8)(10−8)

=

10×6×2×2

=2

60

=2×

4×15

=2×2

15

=4

15

cm

2

Step-by-step explanation:

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