Question

Find the area of the triangle ABC given angle A = 45°, b = 8, and c = √2.

Answer 1

Hint:
The area of a triangle in trigonometric form is
Area = (1/2)(b)(c)sin(A)
where b,c are lengths of sides forming angle A.

Answer 2

4
4√2
8
8√2

Answer 3

which one

Answer 4

Don't know. I'll leave it to you to work it out.