Question

36. Prove that the ratio of the areas of two similar triangles is equal to the square of the ratio of their corresponding sides. Let triangle ABC-DEF and their areas be 64 cm2and 121cm2 respectively. if EF=15.4cm. Fnd BC
37. Draw a triangle ABC with side BC = 7cm. 28=48 1 . Then construct a triangle whose sides are4/3 times the corresponding sides of ABC Also write steps of construction
38. The angle of levation of an empane from a ponto the mus ara Tight of 30 second the angle or
elevation becomes 3 F the aeroplane s weg at a constant heat of 300 m find the speed
theaeroplane.
From the top of a mhion building the angle of seniom of the top of a cable towers 50 and the angle or
depression of its foot is to Determine the height of the innert
39. A sphere of diameter 12 cm, is diocet in a mht cru imina marly iliar with water the sphere
is completely submeged in water, the water level in the indica assala m . Find the diameter of
the cylindrical vessel
From a solid cylinder whose height is 28 cm and diameter 14 m onical cut of the same heat and same
diarneles wed out Find the tal surface of teenamme soit to the nearesto
40. Find the values of the frequencies sandy in the wing frequenor distribution table i medan s 52
Marks
o of Students​

Answer 1

Answer:

solve 36th question by area of similarity method