liviwright2004
liviwright2004 liviwright2004
  • 07-07-2020
  • Mathematics
contestada

please help me! What is the approximate value of y? Round to the nearest tenth. A.) 3.1 B.) 3.9 C.) 4.6 D.) 5.4

please help me What is the approximate value of y Round to the nearest tenth A 31 B 39 C 46 D 54 class=

Respuesta :

eudora eudora
  • 12-07-2020

Answer:

Option (C). 4.6 cm

Step-by-step explanation:

In the figure attached,

A right triangle has been given with hypotenuse = 6 cm, leg 1 = x cm, leg 2 = y cm and one angle = 50°

By applying Sine rule in this triangle,

Sin(50)° = [tex]\frac{\text{Opposite side}}{\text{Hypotenuse}}=\frac{\text{Leg 1}}{\text{Hypotenuse}}[/tex]

Sin(50)° = [tex]\frac{x}{6}[/tex]

x = 6(Sin50°)

x = 4.59

x ≈ 4.6 cm

Therefore, Option (C) will be the answer.

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