i need help

[hard anvil]

Do you know how to state a?

[warped ravine]

the answer is a?

[hard anvil]

No

I mean, do you know how to state a?

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oh no

[hard anvil]

With x and Pythagorean theorem

What is 9^2 + x^2 ?

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81 + x^2

[hard anvil]

yeah, equals what?

[hard anvil]

On this pic

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82?

[hard anvil]

no

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oh im not sure

[hard anvil]

Not the selections

[hard anvil]

Look at this triangle

[warped ravine]

right

[hard anvil]

What’s 9^2 + x^2?

[warped ravine]

idk

what is it

[hard anvil]

It looks familiar, right?

[warped ravine]

yeah

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square this/

[hard anvil]

yep

[hard anvil]

Find out b in the same way

@warped ravine

[warped ravine]

so

1^2+x^2

then sqrt

[hard anvil]

yes

Do you have any idea now?

About the next step

[warped ravine]

add together?

[hard anvil]

No?

Maybe find out the area of the triangle?

[warped ravine]

how do u do that

[hard anvil]

The largest triangle = 10x/2

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okay

[hard anvil]

Coz they’re the same triangle

[warped ravine]

ohhhh

[cyan halo]

A. show the two triangles are similar
B. solve x/9=1/x

[hard anvil]

That works too

[warped ravine]

alright

[abstract thorn]

.solved