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

Determine the price paid for a land, A parcel of land, value $250,000 is so...

A parcel of land, value $250,000 is sold to an investor who signs a contract agreeing to pay a deposit of $25,000 followed by equal quarterly payments for as long as necessary, wit

Fractions, The bowling alley suggests selecting a ball that is 1/7 of the b...

The bowling alley suggests selecting a ball that is 1/7 of the bowlers weight. If the bowler weighs 84 pounds, how much should the bowling ball weigh?

Spurious correlations, Spurious Correlations - in several rare situati...

Spurious Correlations - in several rare situations when plotting the data for x and y we may have a group indicating either positive correlation or negative (-ve) correlation

Probability transition matrices or brand switching, Define the Probability ...

Define the Probability Transition Matrices or Brand switching.

What are inclusive events, Q. What are Inclusive Events? Ans. Even...

Q. What are Inclusive Events? Ans. Events that can occur at the same time are called inclusive events. For example, a student can belong to more than one club at one time

Regression, regression line drawn as Y=C+1075x, when x was 2, and y was 239...

regression line drawn as Y=C+1075x, when x was 2, and y was 239, given that y intercept was 11. calculate the residual

What are intervals, A subset of the real line is called as an interval. Int...

A subset of the real line is called as an interval. Intervals are very significant in computing inequalities or in searching domains etc. If there are two numbers a, b € R such tha

Hi, can i get job of teaching maths here

can i get job of teaching maths here

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