One of the most important and exam oriented question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15
We have been given that quadrilateral is circumscribed; we have find the perimeter of quadrilateral .
B) in figure (ii) given below, quadrilateral ABCD is circumscribed and AD ⊥ DC ; we have to find x if radius of incircle is 10 cm.
ICSE Avichal publication
Understanding ICSE Mathematics