Altitude Question?

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Given: BD is the altitude of triangle ACD
mAngle ABD = 6x+6
Solve for x.

A : 16
B: 14
C: 90
D: 29

2007-01-05 08:50:47 · 5 answers · asked by *Hilary_Duff_Honey* 2 in Science & Mathematics ➔ Mathematics

6x+6=90
6x=84
x=14
choice B

2007-01-05 08:53:57 · answer #1 · answered by raj 7 · 0⤊ 0⤋

Altitudes are perpendicular to bases, so mAngle ABD = 6x + 6 = 90. Then
6x = 84
x = 14.

2007-01-05 16:55:51 · answer #2 · answered by Philo 7 · 0⤊ 0⤋

6x + 6 = 90
6x = 84
x = 14Â°

2007-01-05 17:22:44 · answer #3 · answered by Northstar 7 · 0⤊ 0⤋

angle ABD is a right angle.
6x+6=90
6x= 84
x=14

2007-01-05 16:58:18 · answer #4 · answered by 7 · 0⤊ 0⤋

angle abd=90 bd is the altitude
x=84/6
x=14
hence b

2007-01-05 16:57:43 · answer #5 · answered by well thts it...... 3 · 0⤊ 0⤋