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

Write few points on how text messaging has caused the deterioration of proper English usage

A cable weighing 0.6 pounds per foot is attached to a small 80-pound robot, and then the robot is lowered into a 40-foot deep well to retrieve a 7 pound wrench.

write a rule for how to compare two quantities so that the second quantity has a value of 1 without using a diagram

Why did the Founding Fathers include the Bill of Rights with the Constitution? to define the role of Congress to provide representation for the people to limit

Groups of organs that work together to complete a process in the body are called: cells tissues nerves systems

Select all that apply. What are some inventions or ideas that helped to advance trade? A. Flat bottomed boats B. Carts driven by animals C. Chariots D. Seagoing

What is a true statement about muscles? A. Cardiac muscles are voluntary. B. Skeletal muscles are involuntary. C. All muscles move involuntarily. D.

The lovin lemon company sells a 4 gallon jug of lemonade for $24. The sweet and sour company sells an eight pack of 1 quart bottles of lemonade for $16.00. Whic

Larry is writing a literary analysis essay on Shakespeare’s Romeo and Juliet. Which two elements should his essay include? A. a debatable thesis statement B. a

Which property justifies the following equation 7(0+5)=7*0+7*5? A. distributive B. commutative C. associative D. identity