Asked by Maria

Given: ΔABC, AB = BC
Perimeter of ΔABC = 50
Perimeter of ΔABD = 40
Find: BD

BD is the altitude and I got 15,

15+20+5=40
20+20+10=50
Answered by Steve
works for me.

I hope you calculated BD and didn't just guess around till you got a number that worked.
Answered by Maria
2x+y=50
x+1/2y+(a^2+b^2=c^2)

x=15
Answered by Steve
Interesting. I did it like this:

2x+2y = 50, so x+y=25
x+y+h = 40

25+h = 40
h = 15
Answered by prettyPaNdA123
15 units is correct.
Answered by your mum
Actually it is 15 INCHES not units
Answered by your grandmum
no its units not inches
Answered by your grandmum
it doesnt matter anyway
Answered by Aditya
Thx
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