Answered

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Which expression represents the approximate length
of BC?
(3) sin(66)/sin (38)
sin (66)/(3) sin (38)
(3) sin(38)/sin (66)
sin (38)/(3) sin(66)

Which Expression Represents The Approximate Length Of BC 3 Sin66sin 38 Sin 663 Sin 38 3 Sin38sin 66 Sin 383 Sin66 class=

Sagot :

The expression that represents the approximate length of BC is; A: (3) sin(66)/sin (38)

Trigonometric Ratios

From the given triangle ABC, we see that;

∠A = 66°

∠C = 38°

AB = 3

Thus using sine rule, we have;

AB/sin C = BC/sin A

3/sin 38 = BC/sin 66

BC = (3sin 66)/sin 38

BC = 4.45

Read more about Sine rule at;https://brainly.com/question/4372174

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