Question

In the adjoining figure, triangle ABC is a right-angled triangle in which angle b=90 degrees, angle a=30 degrees and AC=20cm, Find: (i)BC (ii)AB.

Answer 1

Answer:

given AC=2

So hypotenuse=20²(20×20)

hypotenuse²=side²+side²

400=x²+y²

16²+12²=400

hence BC= 12,CA=16