1. Find the area of the triangle.
6.9 m
5.5 m
4.2 m
a. 16.5 m²
b. 11.55 m2
c . 23.1 m²
d. 4.85 m2
please help asap!!
![1 Find the area of the triangle 69 m 55 m 42 m a 165 m b 1155 m2 c 231 m d 485 m2 please help asap class=](https://us-static.z-dn.net/files/df3/509f93fd4e15b39fc4d1263612c2ea20.png)