Use Pythagorean Theorem:
c = sr (a^2 + b^2) = sr (3^2 + 5.3^2)
= sr (9 + 28.09) = sr (37.09)
= 6.09 = 6.1
Step-by-step explanation:
it's been a while but I think it's 84°
If you want the area of a square with given side, you have to square the length of the side.
So, if the side is
, the area will be

Answer:
4
Step-by-step explanation:
3x +7 = x + 15 subtract x from both sides
2x + 7 = 15 subtract 7 from both sides
2x = 8 divide both sides by 2
x =4
Answer:
1:2
Step-by-step explanation: