In ΔPQR, ∠PQR = 90°, PQ = 5 cm and QR = 12. What is the radius (in cm) of the circum circle of ΔPQR?
A6.5
B7.5
C13
D15
A6.5
B7.5
C13
D15
Related Questions:
In the given figure, ABCD is a cyclic quadrilateral. the angle bisector of ∠D and ∠C meets at point E. If the ∠DEC = 72∘, then find the value of (α + β).