Saved Bookmarks
| 1. |
In triangle ABC , AngleB =90° and BD perpendicular AC . If AD =4.5cm , CD =8 CM , what is the length of BD 1) 18 2) 93) 64) 12 |
| Answer» LE ACB is x = angle CBD= 90-x = BAD = 90- x ∆ ABC,∆ ADB, and ∆BDC are similar = BD/CD = AD/DB = 8/ CD =4/8 = CD = 8*8/4= 16 | |