(i) Angle AOC would equal 48°, as it is vertically opposite to angle DOB and they are therefore equal.
(ii) Angle DOE would equal 42°. We can see this because angles on a straight line add up to 180°, and 90 + 48 = 138, so we can do 180 - 138 = 42°.
I hope this helps!
A watch decreased in price by
4
5
. After the reduction it was priced at £10. What was the original price of the watch?
Answer:
y=x2
I got it solved! tell me if it helped
