Question

7. In the given figure, the area of AABC is?
and sides 11 cm ,
4 cm,
8cm
answer (a) 13.24 cm? (b) 12.28 cm? (c) 11.32 cm? (d) 15.37 cm​

Answer 1

Answer:

area of triangle =√s(s-a)(s-b)(s-c)

s=11+4+8/2=11.5

area of triangle=√11.5(11.5-11)(11.5-4)(11.5-8)

=√11.5×0.5×7.5×3.5

=√150.9375=12.28cm²