In the diagram below ABE is a tangent to a circle at B and DCE is a straight line. If o, o...

      

In the diagram below ABE is a tangent to a circle at B and DCE is a straight line.
If o, o and O is the centre of the circle.
fig21201120191254.png
Find the value of

  

Answers


Kavungya
< BDE = 1200 angles on line ABE add up to 1800
< BDE = ½ < BOC = 400
0 sum of interior angle in triangle BDE
Kavungya answered the question on November 20, 2019 at 10:01


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