In triangle ABC, angle A = 45 AB = 12cm AC = 6.5cm find its area.

To solve this problem, we must clearly well know the formula for finding the area of a triangle.

So, the formula for finding the area in our case will look like this:

S abc = 1/2 AB BC sin∠A.

And if we take a close look at all this data, then we will conclude that in the problem we are given absolutely everything that is required to find the area.

That is, we only have to substitute values in the formula.

S abc = 1/2 · 12 · 6.5 · √2 / 2.

And as a result, we get that the area = 19.5√2 cm²