The answer is A. I looked it up for you on an surface area calculator.
Answer:
x = 19
Step-by-step explanation:
The two angles with measures are supplementary.
6x + 9 + 4x - 19 = 180
10x - 10 = 180
10x = 190
x = 19
Answer:
2*square root of 2
Step-by-step explanation:
The square root of 8 is equal to 2*square root of 2
Answer:
13 is Prime
Step-by-step explanation: