Question

In AABC, AB=6√3, AC = 12, BC = 6. Find measure of Z A.​

Answer 1

Answer:

Angle A = 90°

Step-by-step explanation:

Let AB^2 + BC^2 = AC^2

So (6√3)^2 + 6^2 = 12^2

=> (6^2 × √3^2) + 36 = 144

=> (36 × 3) = 144 - 36

=> 108 = 108

Therefore, LHS = RHS

=> Angle A = 90°

Hope it helps u !!!!!!!