Answer: (1) 120° (2) 6.5
Explanation:
(1)
360 - 2x = 120
- 2x = -240
x = 120
(2)
2.5² + 6² = x²
6.25 + 36 = x²
42.25 = x²
6.5 = x
9.4m questions
12.1m answers