netnoo71 netnoo71

01-01-2020
Mathematics

contestada

Find the length of side BC.
Give your answer to 1 decimal place.

Find the length of side BC Give your answer to 1 decimal place class=

Respuesta :

jimrgrant1 jimrgrant1

01-01-2020

Answer:

BC ≈ 11.9 cm

Step-by-step explanation:

Using the sine ratio in the right triangle

sin58° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{BC}{AC}[/tex] = [tex]\frac{BC}{14}[/tex]

Multiply both sides by 14

14 × sin58° = BC, thus

BC ≈ 11.9 cm ( to 1 dec. place )

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