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6.Complete the congruence statement: ΔBCA ≅ ? ΔQRS ≅ ?
08
Oct
6.Complete the congruence statement: ΔBCA ≅ ? ΔQRS ≅ ? 6.Complete the congruence statement: ΔBCA ≅ ? ΔQRS ≅ ? October 8, 2020 Category: Chapter 7 - Congruence of Triangles , Maths , NCERT Class 7 ,
5.In the figure, the two triangles are congruent. The corresponding parts are marked. We can write ΔRAT ≅ ?
08
Oct
5.In the figure, the two triangles are congruent. The corresponding parts are marked. We can write ΔRAT ≅ ? 5.In the figure the two triangles are congruent. The corresponding parts are marked. We can write ΔRAT ≅ ? October 8, 2020 Category: Chapter 7 - Congruence of Triangles , Maths , NCERT Class 7 ,
A lens forms a diminished and erect image of an object. The magnification is 1/4. Find the ratio of distances between object and focus and focus and image.
08
Oct
A lens forms a diminished and erect image of an object. The magnification is 1/4. Find the ratio of distances between object and focus and focus and image. A lens forms a diminished and erect image of an object. The magnification is 1/4. Find the ratio of distances between object and focus and focus and [...]
4.In ΔABC, ∠A = 30∘,∠B = 40∘ and ∠C = 110∘. In ΔPQR, ∠P = 30∘,∠Q = 40∘ and ∠R = 110∘. A student says that ΔABC ≅ΔPQR by AAA congruence criterion. Is he justified? Why or why not?
08
Oct
4.In ΔABC, ∠A = 30∘,∠B = 40∘ and ∠C = 110∘. In ΔPQR, ∠P = 30∘,∠Q = 40∘ and ∠R = 110∘. A student says that ΔABC ≅ΔPQR by AAA congruence criterion. Is he justified? Why or why not? ∠A = 30∘ ∠B = 40∘ and ∠C = 110∘. In ΔPQR ∠P = 30∘ ∠Q [...]
3.You have to show that ΔAMP ≅ΔAMQ. In the following proof, supply the missing reasons:
08
Oct
3.You have to show that ΔAMP ≅ΔAMQ. In the following proof, supply the missing reasons: 3.You have to show that ΔAMP ≅ΔAMQ. In the following proof supply the missing reasons: October 8, 2020 Category: Chapter 7 - Congruence of Triangles , Maths , NCERT Class 7 ,
2.You want to show that ΔART ≅ΔPEN: (c) If it is given that AT = PN and you are to use ASA criterion, you need to have: (i) ? (ii) ?
08
Oct
2.You want to show that ΔART ≅ΔPEN: (c) If it is given that AT = PN and you are to use ASA criterion, you need to have: (i) ? (ii) ? 2.You want to show that ΔART ≅ΔPEN: (c) If it is given that AT = PN and you are to use ASA criterion you [...]
A light ray hits the pole of a thin biconvex lens as shown in figure. The angle made by the emergent ray with the optic axis will be approximately
08
Oct
A light ray hits the pole of a thin biconvex lens as shown in figure. The angle made by the emergent ray with the optic axis will be approximately A light ray hits the pole of a thin biconvex lens as shown in figure. The angle made by the emergent ray with the optic axis [...]
2.You want to show that ΔART ≅ΔPEN: (b) If it is given that ∠T = ∠N and you are to use SAS criterion, you need to have: (i) RT = and (ii) PN =
08
Oct
2.You want to show that ΔART ≅ΔPEN: (b) If it is given that ∠T = ∠N and you are to use SAS criterion, you need to have: (i) RT = and (ii) PN = 2.You want to show that ΔART ≅ΔPEN: (b) If it is given that ∠T = ∠N and you are to use [...]
An equiconcave diverging lens of focal length F is cut into two equal halves. The two halves are turned around and joined with some liquid between them. The lens obtained is converging
08
Oct
An equiconcave diverging lens of focal length F is cut into two equal halves. The two halves are turned around and joined with some liquid between them. The lens obtained is converging An equiconcave diverging lens of focal length F is cut into two equal halves. The two halves are turned around and joined with [...]
2.You want to show that ΔART ≅ΔPEN: (a) If you have to use SSS criterion, then you need to show: (i) AR = (ii) RT = (iii) AT =
08
Oct
2.You want to show that ΔART ≅ΔPEN: (a) If you have to use SSS criterion, then you need to show: (i) AR = (ii) RT = (iii) AT = 2.You want to show that ΔART ≅ΔPEN: (a) If you have to use SSS criterion then you need to show: (i) AR = (ii) RT = [...]