87.3k views
4 votes
Find BC if segment AD is an altitude of triangle ABC PLEASE HELP

Find BC if segment AD is an altitude of triangle ABC PLEASE HELP-example-1

1 Answer

2 votes

Answer:

BC = 96

Explanation:

Since AD is an altitude, then ∠ ADC = 90° , thus

4x + 10 = 90 ( subtract 10 from both sides )

4x = 80 ( divide both sides by 4 )

x = 20

Thus

BC = BD + DC

= 2x + 3x - 4

= 5x - 4

= 5(20) - 4 = 100 - 4 = 96

User Landroni
by
8.0k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories