Answer:
135°
Step-by-step explanation:
The sum of interior angles in this rectangle is equal to 720
Two of the angles are right (has 90°)
so 4x + 180 = 720 subtract 180 from both sides
4x = 540 divide both sides by 4
x = 135°
Answer:
7
Step-by-step explanation:
In general, you cannot prove that because it is not true.
2 is rational. √2 is not.
Answer:
7/21
Step-by-step explanation:
Mean: 48.7
Median: 38
Mode:55