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

You want to put $8,000 in a simple interest account. It has a 2% annual interest rate. How long must you invest that money to earn $400 in interest?

what is creature alliteration

A recipe for a batch of cookies calls for 1212 cup of white sugar and 1414 cup of brown sugar. How much sugar will you need to use for 1 batch?

A Spanish province in Latin America is called a. peninsular, viceroyalty, hacienda, encomienda

why does the government plan its financial expenditure framework for a period of five years?

In respiration, glucose in cells combines with oxygen to make energy. Carbon dioxide and water are also made. Write a word equation for this reaction.

What does beguile mean?

How does inertia affect a person who is not wearing a seatbelt during the collision

A student athlete runs 3 1/3 miles in 30 minutes. A professional runner can run 1 1/4 times as far in 30 minutes. How far can the professional runner run in 30

what is the product of 0.02 and 0.7