Question

In right angle triangle ABC BC= 20 cm and angle A=30° , then AB =_______ and AC = ________. (A) 20√3, 40 (B) 40, 20√3. (C)20/√3, 40 (D) 40, 20/√3​

Answer 1

Answer:

The answer is A

Step-by-step explanation:

equation 1 will be

20 divided by AB is tan 30 equals 1 divided by root 3 so AB will be 20 root 3

and second equation will be

20 divided by Ac equals sin 30 equals half

hence Ac will be 40

By the law of trigo