Question

Angle RST is a right angle. Angle RSU has a measure of 25°.


What is the measure of angle TSU?

25°

45°
65°
75°

Answer 1

What do you think and why?

Answer 2

i got 45 because 90 divided by 2 is 45

Answer 3

kind of

Answer 4

let's first look at RST the entire angle is 90 degrees that little square means 90 degrees

Answer 5

the sum of the angles in a triangle = 180 degrees

Answer 6

I feel that these two angles are complementary that they would add up to 90 degrees.

\[<RSU + <TSU = 90^{o}\]