The diagram below shows a circle centre O. PQ is the tangent to the circle at C. Angle DCQ= 460 and angle BAC=270. Find giving reasons...

      

The diagram below shows a circle centre O. PQ is the tangent to the circle at C. Angle DCQ= 460 and angle BAC=270.
fig619112019857.png
Find giving reasons the size of each of the following angles.
a) Angle OAD.
b) Angle DBO.
c) Angle ACD.
d) Angle BDA.
e) Reflex angle BOC.

  

Answers


Kavungya
< AOB=460
Angle subtended at the circumference by the same arc/chord.

0
Angles subtended at the circumference by the same arc/chord are equal sum angles of a triangle add to 1800.

< BDA= 630.
Angles subtended at the circumference by the same arc/ chord are equal.

Reflex < BOC = 3.060
Angle at a point add up to 3600.
Kavungya answered the question on November 19, 2019 at 05:59


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