One of the most important and exam oriented question from Chapter name- circles
Topic – Angle properties of circles
Chapter number- 15
We have PQ = 24 cm, QR = 7 cm and ∠PQR = 90°.
And we have to find the radius of the inscribed circle ∆PQR
ICSE Avichal publication
Understanding ICSE Mathematics
Question 12(a)
Solution:
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(a) In the figure, a circle is inscribed in the triangle PQR
which touches the sides. O is centre of the circle.
PQ = 24cm, QR = 7 cm ∠PQR = 90°
OM is joined.