Drawn to a circle with center o, Mathematics

Assignment Help:

From a point P, two tangents PA are drawn to a circle with center O.If OP=diameter of the circle show that triangle APB is equilateral.

2473_circle7.png

Ans:    PA=PB (length of tangents from an external point

From ΔOAP,

sin∠APO =OA/OP = 1/2

Since OP = 2OA (Since OP=Diameter)

∴∠APO = 30o

since Δ APO ≈ ΔBPO

∠APO = ∠BPO = 30o

∴∠APB = 60o

ΔAPB is equilateral


Related Discussions:- Drawn to a circle with center o

Example of convergent or divergent - comparison test, Determine if the subs...

Determine if the subsequent series is convergent or divergent. Solution As the cosine term in the denominator doesn't get too large we can suppose that the series term

Prisoners dilemma, Prisoners Dilemma This is a type of non-zero sum gam...

Prisoners Dilemma This is a type of non-zero sum game and derives its name from the given story: The district attorney has two bank robbers in separate cells and offers them

Calculus online, need help completing my online text. can provide login det...

need help completing my online text. can provide login details

Calculate the probability - contingency table, 1) A survey was done where a...

1) A survey was done where a random sample of people 18 and over were asked if they preferred comedies, dramas, or neither. The information gathered was broken down by age group an

Example of fraction, Example  Reduce 24/36 to its lowest terms. 2...

Example  Reduce 24/36 to its lowest terms. 24/36=12/18=6/9=2/3. In the first step we divide the numerator and the denominator by 2. The fraction gets reduced

Draw a common graph ( x - 2)2 /9+4(y + 2)2 =1, Graph     ( x - 2) 2 /9+4...

Graph     ( x - 2) 2 /9+4(y + 2) 2  = 1 Solution It is an ellipse. The standard form of the ellipse is                                                         ( x - h

Converting mixed numbers to improper fractions, Q. Converting Mixed Numbers...

Q. Converting Mixed Numbers to Improper Fractions? Ans. Converting a mixed number to an improper fraction is easy. A single multiplication, and then a single addition:

Math, how do you add all the Y.AND X UP WITH 3

how do you add all the Y.AND X UP WITH 3

Linear programming, function [x, z] = readSolution(tableau, basis)

function [x, z] = readSolution(tableau, basis)

Gabbyu, how smart do u have to be to get into google

how smart do u have to be to get into google

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd