Answer:
1st answer choice
Step-by-step explanation:
Answer: C
Step-by-step explanation:
I don't know if that is the right answer but if it is let me know.
1.When all the three cut outs of the angles A, B, C placed adjacent to each other at a point, then it forms a line forming a straight angle, i.e. 180°.
Flence, it is proved that the sum of the three angles of a triangle is 180°.
Therefore, ∠A + ∠B + ∠C =180
Answer:
D
Step-by-step explanation:
x/15 = tan 30= 1/√3
x = 15/√3