123
edits
Changes
Jump to navigation
Jump to search
Line 31:
Line 31: +
Circles Tangents Problems (view source)
Revision as of 09:44, 12 August 2014
, 09:44, 12 August 2014→Problem-2
∠PAQ=2∠OPQ
∠PAQ=2∠OPQ
=Problem-2=
=Problem-2=
In the figure two circles touch each other externally at P. AB is a direct common tangent to these circles. Prove that<br>a). Tangent at P bisects AB at Q<br> b). ∠APB=90° (Exescise-15.2, B.3)