Question

1.
20.16* (4/2)-7
2. ) s(s-a) (S-b) (S-C)​

Answer 1

Answer:

her it is

Step-by-step explanation:

1. 20.16*(4/2) -7

40.32-7

33.32

2. it is basically heron's formula her s=semi perimeter

a, b, c are sides

so it,

s ^2 - sa * s^2 - sb * s^2 - sc.

hope it helps