LCM:
10: 0,10,20,30,40,50
4: 0,4,8,12,16,20
ANSWER IS 20
LCM:
10: see above numbers
6: 0,6,12,18,24,30
ANSWER IS 30
So, 10 and 8 would be 40
On 15 angle 1 and 2 would be 150 degrees i think, i could be wrong.
On 16 angle 1 would be 140 degrees and angle 2 would be 40 degrees. hope this helps
You can solve using sin45°=

. x=4.2426
Answer:
The answer is 6√2 inches
Step-by-step explanation:
Let
c = diagonal
a and b the sides of the square
c² = a² + b²
c = √(a² + b²)
c = √(6² + 6²)
c = √72
c = √(36 • 2)
c = 6√2