Question

The figure shows a regular tetrahedron ABCD. Find the angle between the plane ABC and the plane BCD correct to the nearest degree.

Answer 1

@dan815 @appleduardo

Answer 2

is all the info u get?

Answer 3

have*

Answer 4

yup, it doesn't give any lengths

Answer 5

uhmm

Answer 6

i think its 90

Answer 7

the angle we should find is this one

Answer 8

my Gosh, i rlly dont know how if we dunt have more info

Answer 9

@hartnn @Callisto are offline :'(

Answer 10

@perl

Answer 11

bump ur question @kryton1212

Answer 12

my computer got something wrong and i cannot see whether my post are bumped or not lol

Answer 13

ok wat going on here ^_^

Answer 14

@Albany_Goon i got a question but i don't know how to do :(

Answer 15

hit meh

Answer 16

n ill c if i can help ;)

Answer 17

ok thanks a lot :D

Answer 18

what are we solving for
vol.
height
surface area
or face area

Answer 19

The figure shows a regular tetrahedron ABCD. Find the angle between the plane ABC and the plane BCD correct to the nearest degree.