Today is my teacher's birthday when i ask her how old she was she saidi 'm either 16, 801 , or 2,400 depending on how you are counting she sure doesmt look that old. How was she counting?How old do you think she is? Explain is 2 or more sectenes

it should be a and d. lmk if i'm wrong xd

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value

answer: the answer is one

step-by-step explanation:

pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1