Ummm not to freak you out but what’s that in the background?
I think its the second one but just a fyi the site your on is ready and it looks like your doing the major test, not every answer on it are you suppose to get right its a test to see what you know and what you need to know
Answer:
169 sq. units
Step-by-step explanation:
If the perimeter of a square is 52, then one of its side lengths will be 13. This is because the side lengths of a square are all equal: you can find the length of one side by just dividing the perimeter by 4. Now that you have the length of one side, you can find the area of a square by multiplying said length by itself. 13 x 13 = 169.
Answer:
A = 31.8 cm2
Step-by-step explanation:
Yhe formula:
central angle = (180-135)° = 45°
Hope this helps
