X = 180 - 42 - 73 = 65 degrres
y = 180 - 131 = 49 degrees
< z = 65 + 49 = 114 degrees (answer).
Hello!
You can use the Pythagorean Theorem to solve this

c is the hypotenuse which is the side across the right angle
a and b are the other sides
Put in the values you know

Square the numbers

Add

Take the square root of both sides
15 = c
The answer is 15
Hope this helps!
You would take 6.4% into 1640000 and you would pay that the next 30 years
Answer:
what is your question? could you give me a little bit more details ? thank you