Question

What is the area of triangle DEF?

2 StartRoot 2 EndRoot square units


2 StartRoot 14 EndRoot square units


6 StartRoot 22 EndRoot square units


12 StartRoot 77 EndRoot square units



The answer is B

Answer 1

2 StartRoot 14 EndRoot square units

Step-by-step explanation: i just did it :)

Answer 2

B.
`2√(14)`

Explanation:

Plug it in Heron's formula.