if BD bisects angle ABC m angle ABC=7x angle ABD = 3x + 25 find angle DBC a b c or d?

1 ⤊

a 50
b 125
c 75
d 175

2007-12-26 06:57:38 · 5 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

Hi,

It's answer d, 175°

If m
3.5x = 3x + 25
.5x = 25
x = 50

So m m
I hope that helps!! :-)

2007-12-26 07:04:37 · answer #1 · answered by Pi R Squared 7 · 0⤊ 0⤋

ABC = 2ABD Or 7x = 2(3x+25) Or x = 50
DBC = 1/2ABC = 1/2(7x) = 1/2*7*(50) = 175 (d) is answer.

2007-12-26 07:14:45 · answer #2 · answered by sv 7 · 0⤊ 0⤋

7x = 2(3x+25)
7x = 6x + 50
x = 50

m dbc = 3x + 25 = 175 ans D

2007-12-26 07:03:25 · answer #3 · answered by norman 7 · 1⤊ 0⤋

I was looking for an answer on this too

2016-09-20 22:23:24 · answer #4 · answered by Anonymous · 0⤊ 0⤋

It's really good

2016-07-30 10:41:06 · answer #5 · answered by Marquerite 3 · 0⤊ 0⤋