In triangle ABC, ∠BCA = 60° and AB^2 = BC^2 + CA^2 = X. What is X equal to?

Question

In triangle ABC, ∠BCA = 60° and AB^2 = BC^2  + CA^2 = X. What is X equal to?

Examsnet · Accepted Answer

Correct Answer is :  - (BC) (CA)

Geometry Practice Test 6