Anyone free to help?

[delicate holly]

Hello! I have no clue on how to do this. Please help

[wooden tartan]

Area = 1/2 × base × height

[delicate holly]

But that's to find out area ?

[wooden tartan]

Yeah

[grizzled frigate]

Is it right triangle? Because there is a theorem about a 30° angle

[wooden tartan]

Hi man

[wooden tartan]

Use it to deduct back height.
Area = 1/2 × 15 × height

[grizzled frigate]

Depending on the triangle we can determine x

[delicate holly]

How would I work out height ?

[wooden tartan]

Height = area × 2 /15 (?)

[delicate holly]

60 x 2/15 = 8?

[wooden tartan]

Yeah

[delicate holly]

So x is just 8?

[wooden tartan]

X is not height

If 15 is base, the line drawn from the vertex opposite to the side 15 and perpendicular to it is height

[delicate holly]

So using the 2 sides I would need to work out the last side

[wooden tartan]

No, you didn't get the other side. And it's not needed

[delicate holly]

I'm sorry I'm kinda confused

[wooden tartan]

We found out h

Then we use trigonometry to find x

[delicate holly]

So is that 1/2 x 12 x 8

Wait that's area

[wooden tartan]

Yeah

Sin30°

[delicate holly]

Is the 1/2 x 8 x 15 x sin(30) ?

[wooden tartan]

No

h/x = sin30°

[delicate holly]

8/x =sin30

[wooden tartan]

Yeah

[delicate holly]

I still have no idea how to work out x

[wooden tartan]

Multiply both sides by x
Divide both sides by sin30

Sorry, edited

[delicate holly]

8/x =sin 30
8 sin30 x X
8/sin30 X

[wooden tartan]

Yeah

[delicate holly]

8/sin 30 is 16

[wooden tartan]

Yeah

[delicate holly]

And that's X?

X=16

[wooden tartan]

Yeah

[delicate holly]

Thank you so much! Sorry I made you explain it, it takes me a hot minute to understand things.

[wicked zealot]

@delicate holly has given 1 rep to @wooden tartan

[wooden tartan]

Np np!

[left topaz]

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