Question

A triangular stage is to be built for a school event.
What could be the length of the side BC of the stage?

15 feet

100 feet

105 feet

10 feet

Answer 1

you got this . pythag theorem . a^2+b^2=c^2

Answer 2

i know what pythag is but im not sure that's the right thing to do in this problem but ill try it

Answer 3

it is . let me know what you get .

Answer 4

@Natalieee can you do one step because i got something completely wrong

Answer 5

oh wait i think i know what i did wrong

Answer 6

nope still can't figure it out

Answer 7

@mhmdrz91 could you help , I have to go .

Answer 8

would you say that \(\bf \measuredangle A \ is\ 90^o\)?

Answer 9

@brianjr227 you should use this\[for\ any\ ABC \triangle, AB+AC>BC\ and\ AB + BC > AC\ and\ AC + BC > AB\]

Answer 10

sum of two edges, is greater than other edge

Answer 11

@mhmdrz91 im confused because of choice B and C they are both greater than the other edge

Answer 12

not, in your shape, AC = 45 and AB = 60
we know that AB + AC > BC so BC < 60+45 so BC < 105
and AC + BC > AB so 45 + BC > 60 so BC > 25
and AB + BC > AC so 60 + BC > 45 (it's true)

so BC > 25 and BC < 105

then BC (in choices) is 100 ;)

Answer 13

alright because i was thinking it was 105

Answer 14

;)