Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
In figure, O is the centre of the Circle .AP and AQ two tangents drawn to the circle. B is a point on the tangent QA and ∠ PAB = 125 ° , Find ∠ POQ. (Ans: 125o)
Ans: Given ∠PAB = 125o
To find : - ∠POQ = ?
Construction : - Join PQ
Proof : - ∠PAB + ∠PAQ = 180o (Linear pair)
∠PAQ + 125o = 180o
∠PAQ = 180o - 125o
∠PAQ = 55o
Since the length of tangent from an external point to a circle are equal.
PA = QA
∴ From ΔPAQ
∠APQ = ∠AQP
In ΔAPQ
∠APQ + ∠AQP + ∠PAQ = 180o (angle sum property)
∠APQ + ∠AQP + 55o = 180o
2∠APQ = 180o - 55o (Θ ∠APQ = ∠AQP)
∠APQ = 125/2
∴∠APQ =∠AQP = 125/2
OQ and OP are radii
QA and PA are tangents
∴∠OQA = 90o
& ∠OPA = 90o
∠OPQ + ∠QPA = ∠OPA = 90o (Linear Pair)
∠OPQ + 125o/2 =90o
∠OPQ = 90o - 125o/2
= 180o-125o/2
∠OPQ = 55o/2
Similarly ∠OQP + ∠PQA = ∠OQA
∠OQP + 125o/2 =90o
∠OQP = 90o- 125o/2
∠OQP = In ΔPOQ
∠OQP + ∠OPQ + ∠POQ = 180o (angle sum property)
55o/2 + 55o/2 +∠POQ =180o
∠POQ + 110/2 =180o
∠POQ =180o - 110/2
∠POQ = 360o-110/2
∠POQ = 250o/2
∠POQ =125o
∴∠POQ =125o
what are integars
altitude 35000 @ 9:30 9;42 alt 17500 increase speed by factor of 3 level out at 2500= how much time will it take
Infinite limits : Let's now move onto the definition of infinite limits. Here are the two definitions which we have to cover both possibilities, limits which are positive infinity
47x+33y=143
if a circles diameter is 42 mm its radius is _________________ because ________________________.
Consider the subsequent IVP. y' = f(t,y) , y(t 0 ) = y 0 If f(t,y) and ∂f/∂y are continuous functions in several rectangle a o - h o + h which is included in a
solving
Solve sin (α /7) =0 . Solution By Using a unit circle it isn't too difficult to see that the solutions to this equation are, α /7 = 0 + 2 ? n ⇒ α = 14 ? n
Explain Factor by Grouping ? Factoring by grouping is often a good way to factor polynomials of 4 terms or more. (Sometimes it isn't. It doesn't always work. But it's worth try
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd