Answer:
50
Step-by-step explanation:
because <TMS is a right angle 90 degrees and also it is congruent with <TMR
so 90 - 40 = 50 that is the correct answer.
Hope this helped!!
Multiples of 15 are: 15,30,45,60,75,90,105,120,135,150,165,180,195,210,225,240,255,270,285,300,315,330,345,360,375,390,405,420,435,450,465,480,495,510,525,540,555,570,585,600,615,630,645,660,675,690,705,720,735,
