Question

PQR
triangle
is an equilateral
with side 18 cm. A circle is drawn
on the segment QR as diameter. Find
the length of the arc of this circle within
the triangle.​

Answer 1

Answer:

198/7cm

Step-by-step explanation:

radius is 9 cm

half circle is in the triangle

so semi perimeter is 22r/7

i.e. 198/7 cm