tlambie101 tlambie101
  • 19-05-2019
  • Mathematics
contestada

If B =90°,ac=96cm,c=30° what dose ab = in cm

Respuesta :

LagMaster
LagMaster LagMaster
  • 19-05-2019

Answer: 48

96/2 = 48 cm

Answer Link
alinakincsem
alinakincsem alinakincsem
  • 19-05-2019

Answer:

ab = 48 cm

Step-by-step explanation:

Supposing ABC is a right angled triangle where m∠B = 90°, ac = 96 cm and c = 30°, we are to find the length of the side ab in cm.

For this, we will use the trignometric ratios to find ab.

[tex] sin B = \frac { a b } { a c } [/tex]

[tex] sin 30 = \frac { a b } { 9 6 } [/tex]

[tex]\frac{1}{2} =\frac{ab}{96}[/tex]

[tex]96=2ab[/tex]

[tex]ab=\frac{96}{2}[/tex]

ab = 48 cm

Answer Link

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