for question 9: If B is 78 degrees then what is angle C and for question 10: if R is 86 then what is angle Q

pooopoopopoopop

step-by-step explanati∵∵∴∴on:

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743

the answer is y = 11.54

hope this : )