Answer:
x = 50
Step-by-step explanation:
For two equal sides of QR and RS...you divide the two so as to obtain a ratio
In we divide....17÷3= 5,66666667
then youmultiply by 9...so that you can obtain the length of side ST...which is equal to 51
ST = x + 1 = 51
x = 51 - 1 = 50
;x = 50
