lilyginger912 lilyginger912

03-07-2020
Mathematics

contestada

Given △ABC, AD = 5, BC = 20, AC = 11 BD is an altitude Find: AB

WILL GIVE BRAINLIEST IF DONE!

Given ABC AD 5 BC 20 AC 11 BD is an altitude Find ABWILL GIVE BRAINLIEST IF DONE class=

Respuesta :

Newton9022 Newton9022

08-07-2020

Answer:

13 Units

Step-by-step explanation:

In Triangle BCD

DC=DA+AC

DC=5+11=16

Since BCD is a right triangle

BC²=BD²+DC²

20²=BD²+16²

BD²=20²-16²

BD²=144

BD²=12²

BD=12 Units

In Right Triangle BAD

AB²=BD²+AD²

=12²+5²

=144+25

=169

AB²=13²

Therefore, AB=13 Units

Answer Link

Otras preguntas

WILL AWARD THE BRAINLIEST!!!! A square is shown below. Which expression can be used to find the area, in square units, of the shaded triangle in the square? 1/2

A car can travel 21 miles for each gallon of gas it uses. how many miles can the car travel using 51 gallons

The track is 1 1/8 miles long. If Bailey jogged around it twice, how far did she jog?

Please help me with 13-20 but I need help with 13-18 to find x because its hard for me and 19-20 to find BC and find triangle PQR

The u.s. government has directly intervened in the domestic affairs of foreign governments to __________.

How do I find the valve of 2 ×3/4

Which of the following root words means to write

whose efforts in mexico helped start the green revolution

hich is the best strategy to follow when you write a report or an essay? A. Write it in one sitting and revise it only once. B. Work on it over several

Help with this problem