It is given that `DeltaDEF~DeltaRPQ`. Is it true to say that `angleD = angleR` and `angleF= angleP`? Why?

It is given that Delta ABC cong Delta RPQ .Is it true to say that BC =QR ? Why ?

In Delta DEF and Delta PQR , it is given that angle D=angle Q and angle R= angleE , then which of the following is not true?

It is given that Delta ABC cong Delta FDE and AB= 5 cm , angle B=40^(@) " and " angle A= 80^(@) then which of the following is true ?

If DeltaPQR ~ DeltaDEF, angleP = 65^@ and angleF = 32^@, then angleQ is

In DeltaABC and DeltaDEF , it is given that angleB=angleE and angleC=angleF , In order that DeltaABC~=DeltaDEF , we must have

It DeltaPQR cong DeltaED ,then is it true to say the PR = EF ? Given reason for your answer.

Construct the incircle of a given triangle ABC. The following sentences are the steps involved in the above construction. Arrange them in sequencial order from first to left. (A) Draw perpendicular overline(IM) from I onto overline(BC) . (B) Taking I as centre and IM as the radius , draw a circle. (C) Draw a DABC with the given measurements. (D) Draw bisects of two to the angles. say angle B and angle C to intersect at I. (D) Draw bisects of two of the angles, say angle B and angle C to intersect at I.

In the figure, it is given that BDEF and FDCE are parallelogram. Can you say that BD = CD ? Why or why not?

Which of the following pairs of triangles are congruent ? Also state the condition of congruency in each case : (iv) In DeltaABC and DeltaDEF, AB=EF, BC=DF and angleB=angleF (v) In DeltaABC and DeltaPQR, AB=QR, AC=PR and angleB=angleR (vi) In DeltaABC and DeltaPQR, angleA=angleP, AC=PR and AB=PQ (vi) In DeltaABC and DeltaPQR, AB=QR, angle A=angle Q and AC=QP .

In the given figure, if angleD = angleC, then it is true that triangle ADE ~ triangle ACB? Why?