How to find the length of line U and V (Right Angle with ∠BAC=30° and the length of hypotenuse AB=18 cm)

 

Find U and v

Answer:

U=15.6 cm

V=9 cm

 

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Step by step explanation

(There are a few methods of obtaining right triangle side lengths.

Depending on what is given, you can use different relationships or laws to find the missing side)

Given an angle<BAC=30⁰

 The length of the hypotenuse= 18cm

We can apply the law of sines or trigonometry to find the right triangle side lengths:

Thus,

u = 18 cm × cos (30⁰)

U=15.6 cm

V= 18 × sin (30⁰)

V=9 cm