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re: Can you find the height of the red bar using the information below?

Posted on 3/17/24 at 8:20 pm to
Posted by Philzilla
Member since Nov 2011
1372 posts
Posted on 3/17/24 at 8:20 pm to
quote:

Answer is 8m long.

That’s what I got.
I copied your answer.
Posted by deeprig9
Unincorporated Ozora, Georgia
Member since Sep 2012
64023 posts
Posted on 3/17/24 at 8:23 pm to
It is 6 meters high based on the graphic. I measured it, personally.
Posted by Roll Tide Ravens
Birmingham, AL
Member since Nov 2015
42560 posts
Posted on 3/17/24 at 8:27 pm to
The doctor is the boy’s mother.
Posted by TeddyPadillac
Member since Dec 2010
25565 posts
Posted on 3/17/24 at 8:29 pm to
quote:

The remaining red bar casts a direct 1:1 vertical projection on the wall.



There is no way to know that.
Or is that some kind of rule of shadows no one knows?

Posted by Jcorye1
Tom Brady = GoAT
Member since Dec 2007
71411 posts
Posted on 3/17/24 at 8:33 pm to
No, no idea where the light source is.
Posted by gizmothepug
Louisiana
Member since Apr 2015
6445 posts
Posted on 3/17/24 at 8:37 pm to
I’m not going to pretend to know anything about these math questions. Pretending to know the answers is how a bridge collapses and kills people, looking at you Florida.
Posted by Locoguan0
Baton Rouge, LA
Member since Nov 2017
4291 posts
Posted on 3/17/24 at 8:38 pm to
My brain says...
Look at the small triangle. That gives you the ratio. 2:3:c

Use the ratio to find the true length of the big shadow by picturing the shadow on the wall as a block.
4:b:c > 4:6:c

Once you have the length of the big shadow, 12, you can use the ratio to determine the height of the big block.
a:12:c > 8:12:c

Height is 8.

I think I typed that correctly. I'm on pain meds right now, so...
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