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ICSE Class 10 Answered

in the diagram given below angle EDC. The tangent drawn to the circle at C makes an angle of 50 degree with AB produced. Find the measure of angle ACB.
question image
Asked by sweetusk2013 | 20 Feb, 2018, 09:19: PM
answered-by-expert Expert Answer
begin mathsize 16px style angle AGE equals 50
considering space AC space diameter
in space increment ACG
angle ACG equals 90
so space angle CAG equals 40.... sum space of space angles space in space triangle
now space in space increment ACB
angle ABC equals 90...... angle space subtended space in space semi space circle
angle CAB equals 40
so space angle ACB equals 50 end style
Answered by Arun | 21 Feb, 2018, 06:31: PM
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