Answer:
3.9 cm²
Step-by-step explanation:
The area formula for a triangle when sides 'a' and 'b' and angle C are known is ...
A = 1/2ab·sin(C)
__
The area of the specified triangle is ...
A = 1/2(3.9 cm)(2.7 cm)sin(133°) ≈ 3.85058 cm²
The area of ΔLMN is about 3.9 square centimeters.
