Answer:
since 97 is close to 100, I'd say 10" is close to the real side length.
Step-by-step explanation:
B since at most represents the less than or equal to sign.
m<1 =73°
m<2 = 121°
m<3 =59°
m<4 =59°
m<5 =4°
m<6 =73°
m<7 =48°
m<8 =55°
m<9 =4°
*I just used mental math and a calculator
