Answer:
x = 28.32 units.
Step-by-step explanation:
Given:
Longer leg = 21
Shorter leg = 19
Hypotenuse = x
To Find:
Hypotenuse = x = ?
Solution:
Pythagoras Theorem States that

Substituting of the given value above equation we get

2+2 = 4. Bro it was so hard. Did i helped you?
Answer:
the formula is (n-2)180 degrees
so its 7020
Answer:
b
Step-by-step explanation:
I would recommend asking a tutor