Let's do this question in the given figure, A, B, C, D, and B, B, C, E, R, parallelograms
with common base D.C. If B, C is perpendicular to be D, then B, C, you need to find this angle over
here.
All right.
Pause the video, give it a try and then let's do it together.
All right, we're back.
Let's do it together.
Over here we have angle BCT is equal to thirty degrees.
Right.
Why is that so.
Because opposite sides of a bananagrams are equal and ABCDE is given as a program.
Therefore if this angle is thirty degrees, this angle also has to be thirty degrees.
All right.
Now over here we have a triangle BDC One angle is ninety degrees, another angle is 30 degrees.
Or what would be angle B C that would be 180 minus 90.
Minus 30.
Right.
That's equal to sixty degrees.
All right.
So you have 60 degrees over here.
Now, BDC is a bad anagram and opposite angles of a programmer are equal.
Therefore, angle B C is equal to Angle BDC, which is equal to sixty degrees.
And hence that's your answer, which is option eight.