BC is tangent to circle A at B and to circle D at C. AB= 10 BC= 21 DC= 8 find AD to the nearest tenth

Question

03-03-2018
Mathematics

contestada

BC is tangent to circle A at B and to circle D at C. AB= 10 BC= 21 DC= 8 find AD to the nearest tenth

Respuesta :

Otras preguntas

What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer?

Potassium hydroxide is classified as an Arrhenius base because KOH contains(1) OH- ions (2) O2- ions (3) K+ ions (4) H+ ions

Which word correctly completes the sentence? I'm looking for a store that sells _________ leather belts. A. mens' B. mens's C. men's

Randy spins a spinner with sections labeled A, B, C, D, E, F, G, and H. What is the number of possible outcomes?

Which are steps taken by the first emperor of a united China to unify the country? Choose all answers that are correct. A. built the Great Wall B. forbade the

What did the term bread and circuses refer to during the time of the Roman emperors? A. religious holidays and parades for the religious groups in Rome B. jo

In circle O, diameter of line segment AB has a length of 15 cm, and measure of angle BAC= 65°. What is the area of sector BAC of the circle. ( express the answ

200 books ; 75% decrease

4n^2 -15n+9 factor completely

mathmate mathmate · Answer 1 · 2018-03-03T23:35:03+01:00

mathmate mathmate

03-03-2018

The attached diagram is an interpretation of the question.
If there are other details, please post.

The distance AD is found by Pythagoras theorem, with
AD=sqrt(BC^2+(AB-DC)^2)=sqrt(21^2+2^2)=sqrt(441+4)=sqrt(445)
=21.095 (to the third decimal place)

Answer Link