Question

In ∆ABC , if B= 60° , C = 3cm and A = 12cm . what is the area of ∆ABC?​

Answer 1

9514 1404 393

Answer:

15.6 cm²

Explanation:

The area is given by the formula ...

area = 1/2ac·sin(B) = 1/2(12 cm)(3 cm)sin(60°) ≈ 15.58846 cm²

The area of ΔABC is about 15.6 cm².