Question

Angle S is 90 degrees and angle T is 45 degrees. side ST is 3 ft. how long is side SU

Answer 1

|SU|=3ft

Step-by-step explanation

Triangle TSU is an isosceles right triangle.

Because one of the angles in the right triangle is 45°.

This means that the third angle is also 45°.

This implies that that |ST|=|SU|

The reason is that isosceles triangle has the base angles equal and the arms on these angles are equal.