Mocks don't measure how much you know. They measure how you behave under pressure. Use them for that.

Properties of Triangles — quick quiz

1 AP EAMCET-pattern questions on Properties of Triangles. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 1

Easy

In a triangle ABC, if a = 7, b = 8, c = 9, then cos A equals