erighhere
erighhere erighhere
  • 21-05-2018
  • Mathematics
contestada

Given: DC is a tangent of E. AE = 20 and DC = 9.

What is the measure of AC?

Given DC is a tangent of E AE 20 and DC 9 What is the measure of AC class=

Respuesta :

SINAZEUS
SINAZEUS SINAZEUS
  • 21-05-2018
the answer is 41


if AE is 20, so AD is 40.

the measure of angle CDA is 90 degrees.

so we can get help from Pythagorean theorem :
[tex] {x}^{2} = {40}^{2} + {9}^{2} \\ {x}^{2} = 1600 + 81 = 1681 \\ x = \sqrt{1681} = 41[/tex]



good luck
Answer Link

Otras preguntas

What does the mass number of a nucleus indicate
People with ________ disorders experience thoughts and urges that are intrusive and unwanted and/or the need to engage in repetitive behaviors or mental acts.
Which set of variables will make code easier to understand? a, b, c sum, price, count xii, xix, xxi x, y, z
How does the Earth's Interior affect the tectonic plates?
Witch printer covers a large range of colors than any other printer does
By the end of World War II in Europe the allies were largely dependent On the United States for
When Marcie stands 5 feet from a light post, her shadow is 6 feet long. Find the height of the light post if Marcie is 4 feet tall.
Which of these indicates that a liquid has transferred thermal energy to the air?
A spinner has five sections, labeled A, B, C, D, and E. The spinner is spun 60 times, and the results are recorded in the table. What is the experimental probab
A chemistry graduate student is studying the rate of this reaction: he fills a reaction vessel with and measures its concentration as the reaction proceeds: