Please solve question no 7 with proper explanation 

Asked by adityaahuja099 | 20th Nov, 2017, 07:50: PM

Expert Answer:

begin mathsize 16px style Since space BPC space makes space angle BOC space at space the space centre space and space angle BAC space at space straight a space point space
on space the space remaining space part space of space the space circle.
rightwards double arrow angle BAC equals 1 half angle BOC
Now comma space angle BOC equals 360 degree minus left parenthesis 110 degree plus 90 degree right parenthesis equals 160 degree
rightwards double arrow angle BAC equals 1 half cross times 160 degree equals 80 degree end style

Answered by Rashmi Khot | 30th Nov, 2017, 10:08: AM

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