The Student Room Group
Uni students - Complete our survey >>
Uni students - Complete our survey >>
Uni students - Complete our survey >>

Maths question help

I would really appreciate some help.image.jpg
Reply 1
Avatar for d3vkfc
d3vkfc
12
a big clue- Pythagoras theorem
Original post by d3vkfc
a big clue- Pythagoras theorem

Yes, I know I need to use pythagoras theorem but I don’t know how to use it for this question.
the other big clue is "cube cut in half"
Reply 4
Avatar for d3vkfc
d3vkfc
12
there's a triangle-ACF
Find BF first and then use Pythagorean Theorem.
Reply 6
Avatar for d3vkfc
d3vkfc
12
or find AC, whatever floats your drink-
Original post by Jom24214
Find BF first and then use Pythagorean Theorem.

How exactly do I work that out when I only know the one measurement
Original post by Jtaylor2804
How exactly do I work that out when I only know the one measurement

Use trigonometry and use the angle 45° (Cube cut in half). Poorly written question
Reply 9
Avatar for Em.-.
Em.-.
18
F81BAD1F-899F-4DE3-8DC3-949E66EB8803.jpeg May be wrong. Did it quickly. Not a simple answer so I’m really not sure.
Reply 10
Avatar for MRazia
MRazia
1
This is correct. All they wanted is for the 400/3 to be in brackets like this √(400/3)

Quick Reply

Related discussions

Latest

Trending

Trending

Articles for you