4 years ago

I just need to know the answer pls pls pls ;(

Mathematics

1 answer:

Blizzard [7]4 years ago

7 0

Answer:

Step-by-step explanation:

I think it is x=35 I'm not sure

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Consider the 30°-60° right triangle shown whose hypotenuse is equal to one. Clearly this triangle is half of an equilateral tria

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Step-by-step explanation:

Given triangle ABC is a right triangle.

m∠ACB = 60°

m∠CAB = 30°

m(AC) = 1 unit

A). Shorter side of the given triangle = Side BC

By applying cosine rule,

cos(∠C) = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}$

cos(60°) = $\frac{BC}{AC}$

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AB = $\sqrt{\frac{3}{4}}$

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