Answer:
15
Step-by-step explanation:
√15 (3√5)^2 3√5^2 3√10
Answer:
x = 11
Step-by-step explanation:
- Vertically opposite angles are equal
- Angles around a point add up to 360°
Therefore, 



The product is 1800
because 90x20
Answer:
The perimeter is 38 but it gets rounded to 40
Step-by-step explanation: