Answer:
QR = 8√10 in
Not in the option. I hope this helps
Step-by-step explanation:
The triangle is right angled because it has a 90° angle. Thus, let's make unknown x
Hyp²= opp²+adj²
24² = 8² + x²
x² = 24²+8²
x² = 640
x = √640
x = 8√10
