KateH156 KateH156
  • 26-01-2021
  • Mathematics
contestada

Find the length of side AB.
Give your answer to 3 significant figures.
с
410
13.5 cm
A
B

Find the length of side AB Give your answer to 3 significant figures с 410 135 cm A B class=

Respuesta :

jimrgrant1 jimrgrant1
  • 26-01-2021

Answer:

AB ≈ 8.86 cm

Step-by-step explanation:

Using the sine ratio in the right triangle

sin41° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{AB}{BC}[/tex] = [tex]\frac{AB}{13.5}[/tex] ( multiply both sides by 13.5 )

13.5 × sin41° = AB , then

AB ≈ 8,86 cm ( to 3 significant figures )

Answer Link
evanshibling evanshibling
  • 26-01-2021

Answer:

8.87

Step-by-step explanation:

use the sin law for right triagles sin(θ)= opposite/hypotenuse so

sin(41)=(AB)/13.5

13.5×sin(41)=AB

8.87=AB

Answer Link

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