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3 years ago

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

Mathematics

2 answers:

Alenkasestr [34]3 years ago

5 0

Use

Angle sin A = AB/BC

AND FIND IT OUT

PLEASE FOLLOW ME

SVETLANKA909090 [29]3 years ago

4 0

Answer:

BC ≈ 11.9 cm

Step-by-step explanation:

Using the sine ratio in the right triangle

sin58° = $\frac{opposite}{hypotenuse}$ = $\frac{BC}{AC}$ = $\frac{BC}{14}$ ( multiply both sides by 14 )

14 × sin58° = BC , thus

BC ≈ 11.9 cm ( to 1 dec. place )

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