# mathsphy Maths NO MORE scary

S No. Topic Video
31 6.3 Q9 ABC and AMP are two right triangles, right angled at B and M respectively, prove that:....
32 6.3 Q10 CD and GH are respectively the bisectors of Ang. ACB and Ang. EGF such that D and H lie on sides AB and FE .....Show that: (i) CD/GH = AC/FG.....
33 6.3 Q11 E is a point on side CB produced of an isosceles triangle ABC.... If AD perp. to BC and EF perp. to AC, prove that Tri. ABD ~ Tri. ECF.
34 6.3 Q12 Sides AB and BC and median AD of a triangle ABC are respectively proportional........ Show that Tri. ABC ~ Tri. PQR.
35 6.3 Q13 D is a point on the side BC of a triangle ABC such that ADC = BAC.....
36 6.3 Q14 Sides AB and AC and median AD of a triangle ABC are respectively proportional.... Show that Tri. ABC ~ Tri. PQR.
37 6.3 Q15 A vertical pole of a length 6 m casts a shadow 4m long on the ground.....Find the height of the tower.
38 6.3 Q16 If AD and PM are medians of triangles.......prove that AB/PQ = AD/PM.
39 6.4 Q1 Let Tri. ABC ~ Tri. DEF and their areas be, respectively, 64 cm2 and 121 cm2. If EF = 15.4 cm, find BC.
40 6.4 Q2 Diagonals of a trapezium ABCD......If AB = 2CD, find the ratio of the areas of triangles AOB and COD.
Topic/Video

31 6.3 Q9 ABC and AMP are two right triangles, right angled at B and M respectively, prove that:....

32 6.3 Q10 CD and GH are respectively the bisectors of Ang. ACB and Ang. EGF such that D and H lie on sides AB and FE .....Show that: (i) CD/GH = AC/FG.....

33 6.3 Q11 E is a point on side CB produced of an isosceles triangle ABC.... If AD perp. to BC and EF perp. to AC, prove that Tri. ABD ~ Tri. ECF.

34 6.3 Q12 Sides AB and BC and median AD of a triangle ABC are respectively proportional........ Show that Tri. ABC ~ Tri. PQR.

35 6.3 Q13 D is a point on the side BC of a triangle ABC such that ADC = BAC.....

36 6.3 Q14 Sides AB and AC and median AD of a triangle ABC are respectively proportional.... Show that Tri. ABC ~ Tri. PQR.

37 6.3 Q15 A vertical pole of a length 6 m casts a shadow 4m long on the ground.....Find the height of the tower.

38 6.3 Q16 If AD and PM are medians of triangles.......prove that AB/PQ = AD/PM.

39 6.4 Q1 Let Tri. ABC ~ Tri. DEF and their areas be, respectively, 64 cm2 and 121 cm2. If EF = 15.4 cm, find BC.

40 6.4 Q2 Diagonals of a trapezium ABCD......If AB = 2CD, find the ratio of the areas of triangles AOB and COD.