Answer: 12
Step-by-step explanation: Pythagorean theorem
Answer:
c=f(x)−ax^2−bx
Step-by-step explanation:
Segment QR is the shortest
- 3 = + 2x ...... <em>(1)</em>
(1) × 12 :
3x - 36 = 4 + 24x
21x = - 40
x = - =