Question

What is the area
of triangle ABCD ?
A 5cm
B 5cm
C 4cm​

Answer 1

Answer:

triangle abc

semiperimeter of triangle(s) =a+b+c/2

5+5+4/2=7

area of triangle=√s(s-a)(s-b)(s-c)

=√7(7-5)(7-5)(7-4)

=√7x12

√84=2√21

Step-by-step explanation:

I hope u understand