Question

What is the value of y in the triangle at the right? (sorry the picture is a little blurry)

Answer 1

To find the length y from the given right anled triangle.

Since the given triangle is right anled triangle,

we have the following,

`\sin \theta=\frac{opposite\text{ side}}{hypotenuse}`

Let,

hypotenuse =14

opposite side=y

Substitute the values we get,

`\sin 30\degree=(y)/(14)`

we know that, sin 30=1/2

Using this we get,

`(1)/(2)=(y)/(14)`
`y=(14)/(2)`
`y=7`

Answer is: option D: 7