This is the isosceles right triangle, the diagonal of a square, the thing that so upset the Pythagoreans. The two sides and diagonal of a square are in ratio
so we get

We could have also gotten this using Trig:


Or by recognizing u=v because remaining angle is 45 so this must be isosceles so



Answer:
2%
Step-by-step explanation:
It increases one, so it increases 1/50, which is 0.02
2%
Answer:
С
Step-by-step explanation:
90 - 72 = 18
Answer:
x = 7.2
Step-by-step explanation:
you can use the cos of 63 and set it equal to adjacent / hypotenuse
cos 63° = <u> x </u>
16
.45 = <u> x </u>
16
x = 16(.45)
x = 7.2