The Burj Khalifa skyscraper in Dubai is 2,722 feet high. The KYLT-TV mast in North Dakota is the tallest U. S. building, measuring 659 feet shorter than the Dubai skyscraper. How tall is the KYLT-TV mast? How would you write in an equation with a variable for the missing number and an explanation for the variable with an answer?

what statement? is there an image?

hope this !

let me know

second option

step-by-step explanation:

the measures of a triangle equal 180. use that to find x.

2x+3x+4x=180

9x=180

9x/9=180/9

x=20

now you know x, you know angle a is 40°, angle b is 60°, angle c is 80°.

because angle a is 40°, the first option doesn't work.

because angle b is 60°, the second option does work.

when you add angle a and b, you get 100°. complementary means it equals 90°, so the third option doesn't work.

when you add angle a and c, you get 120°, which is not 100.