Answer:
The triangle is
Step-by-step explanation:
The answer is 0.314 radian
Given that the triangles are similar.
When triangles are similar, all three pairs of corresponding sides are in the same ratio.
Similarly in the given triangles, the ratio of the corresponding sides are equal.


Cross multiplying, we get



Dividing both sides of the equation by -4.
So, we get
x = 7.
Hello! The answer to this question is: A = -2