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

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

Bananas cost $0.54 per pound and grapes cost $1.28 per pound. Leanne bought 2.6 pounds of bananas and 3.1 pounds of grapes. How much did she pay for the bananas

26 out of 40 whats the percent

Which activity is a risk to one's health

what is 0.0728 correct to two significant figures?

How many moles of ethyl alcohol, C2H6O, are in a 37.0 g sample?

Describe in writing your last family holiday table.

what is the model of the plasma membrane called and why is it called this?

The Articles of Confederation provided the newly declared republic with a means of governing _______________________. A. during and immediately after the revolu

Mike has 16 baseball cards. Niko has 17 times as many baseball cards as Mike does. How many baseball cards does Niko have?

Embrago Act is about ?