Answer: 11/20
Step-by-step explanation:
55/100
= 11/20
common denominator of 55? wdym. like the bottom number 55?
The answer is C because you’re multiplying it by 4 in the expression
Answer:
∠C = 37° ,
AB = 26.54 cm ,
BC= 33.27 cm
Step-by-step explanation:
Given that in triangle ABC
∠A = 39° AC = 20 cm
∠B = 104°
∵ sum of all the three angles of triangle = 180°
So, ∠C = 180° - ( ∠A + ∠B)
∠C = 180° - (39° + 104°)
∠C = 37°
Now Tan 37° = ![\frac{AC}{AB}](https://tex.z-dn.net/?f=%5Cfrac%7BAC%7D%7BAB%7D)
Or, AB = ![\frac{20}{tan 37°}](https://tex.z-dn.net/?f=%5Cfrac%7B20%7D%7Btan%2037%C2%B0%7D)
So, AB = 26.54 cm
Again, Sin 37° = ![\frac{AC}{BC}](https://tex.z-dn.net/?f=%5Cfrac%7BAC%7D%7BBC%7D)
So, BC = ![\frac{20}{sin 37°}](https://tex.z-dn.net/?f=%5Cfrac%7B20%7D%7Bsin%2037%C2%B0%7D)
Or, BC = ![\frac{20}{0.601}](https://tex.z-dn.net/?f=%5Cfrac%7B20%7D%7B0.601%7D)
∴ BC= 33.27 cm
Hence ∠C = 37° , AB = 26.54 cm , BC= 33.27 cm Answer