The circle with center O is inscribed in kite ABCD. AB is 24 cm and BC is 20 cm. D is 90 degrees.
Find the length of the radius if the circle, in cm.
https://web2.0calc.com/questions/please-help_24371
r / (24 - r) = 18 / 24
24r = 18 (24 - r)
24r = 432 - 18r
42r = 432
r = 10.28571429 or 72 / 7
