1. Vertical
2. Adjacent
3. Complementary
4. 72
5. X= 33
Given:
Length of the circular arc with circle radius=49cm
θ=135°
Now,
Length of arc = θ/360°×2πr
49=2× 22/7×r×135°/360°
49×20×7/3×22×2
51.96cm
Answer:
Step-by-step explanation:
Temperature needs to fall by 3 degrees
