मराठी
महाराष्ट्र राज्य शिक्षण मंडळएस.एस.सी (इंग्रजी माध्यम) इयत्ता १० वी

Draw the Circumcircle of δPmt in Which Pm = 5.6 Cm, ∠P = 60°, ∠M = 70°. - Geometry Mathematics 2

Advertisements
Advertisements

प्रश्न

Draw the circumcircle of ΔPMT in which PM = 5.6 cm, ∠P = 60°, ∠M = 70°.

बेरीज

उत्तर

Step-1: construct the segment PM having length 5.6 cm and using protractor draw lines at the angles P and M which measures 60° and 70° respectively mark the intersection point as T thus ∆PMT is ready

Step-2: construct the perpendicular bisector of line PM by keeping the needle of compass at point P and taking approximately more than half of PM distance in compass draw arc above and below PM

Step-3: keeping the same measurement in compass keep the needle at point M and draw intersecting arcs above and below segment PM

Step-4: join the intersections of arcs to get a line ‘a’ which is the perpendicular bisector of segment PM.

Step-5: Similarly by repeating steps 3,4,5 construct a perpendicular bisector for line TM so instead of P substitute T and repeat steps 3,4,5 we will get a line ‘b’ perpendicular bisector of segment TM

Step-6: keep the needle of compass at point of intersection of the line a and b and from there take distance till any vertex of triangle PTM and construct the circle

The circle is required circumcircle to ∆PTM

shaalaa.com
Property of an Angle Bisector of a Triangle
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
2016-2017 (July)

APPEARS IN

संबंधित प्रश्‍न

Given below is the triangle and length of line segments. Identify in the given figure, ray PM is the bisector of ∠QPR.


Given below is the triangle and length of line segments. Identify in the given figure, ray PM is the bisector of ∠QPR.


Given below is the triangle and length of line segments. Identify in the given figure, ray PM is the bisector of ∠QPR.


Measures of some angles in the figure are given. Prove that `"AP"/"PB" = "AQ"/"QC"`.


Find QP using given information in the figure.


In the given figure, if AB || CD || FE then find x and AE. 


In ∆ABC, seg BD bisects ∠ABC. If AB = x, BC = x + 5, AD = x – 2, DC = x + 2, then find the value of x.


In Δ ABC and Δ PQR,
∠ ABC ≅ ∠ PQR, seg BD and
seg QS are angle bisector.
`If  (l(AD))/(l(PS)) = (l(DC))/(l(SR))`
Prove that : Δ ABC ∼ Δ PQR


Seg NQ is the bisector of ∠ N
of Δ MNP. If MN= 5, PN =7,
MQ = 2.5 then find QP.


From the top of a light house, an abserver looking at a boat makes an angle of depression of 600. If the height of the lighthouse is 90 m then find how far is the boat from the lighthouse. (3 = 1.73)


In ΔABC, ray BD bisects ∠ABC.

If A – D – C, A – E – B and seg ED || side BC, then prove that:

`("AB")/("BC") = ("AE")/("EB")`

Proof : 

In ΔABC, ray BD bisects ∠ABC.

∴ `("AB")/("BC") = (......)/(......)`   ......(i) (By angle bisector theorem)

In ΔABC, seg DE || side BC

∴ `("AE")/("EB") = ("AD")/("DC")`   ....(ii) `square`

∴ `("AB")/square = square/("EB")`   [from (i) and (ii)]


In ΔABC, ∠ACB = 90°. seg CD ⊥ side AB and seg CE is angle bisector of ∠ACB.

Prove that: `(AD)/(BD) = (AE^2)/(BE^2)`.


In the figure, ray YM is the bisector of ∠XYZ, where seg XY ≅ seg YZ, find the relation between XM and MZ. 


In the following figure, ray PT is the bisector of QPR Find the value of x and perimeter of QPR.


If ΔABC ∼ ΔDEF such that ∠A = 92° and ∠B = 40°, then ∠F = ?


In ΔABC, ray BD bisects ∠ABC, A – D – C, seg DE || side BC, A – E – B, then for showing `("AB")/("BC") = ("AE")/("EB")`, complete the following activity:

Proof :

In ΔABC, ray BD bisects ∠B.

∴ `square/("BC") = ("AD")/("DC")`   ...(I) (`square`)

ΔABC, DE || BC

∴ `(square)/("EB") = ("AD")/("DC")`   ...(II) (`square`)

∴ `("AB")/square = square/("EB")`   ...[from (I) and (II)]


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×