Question
Describe the process of drawing an incircle of a right-angled triangle.
Describe the process of drawing an incircle of a right-angled triangle.
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Find the mode of the following frequency distribution :
Find the mode of the following frequency distribution : Class Frequency 50 – 59 5 60 – 69 20 70 – 79…
Question
Construct the table of cumulative frequency (greater than type) and draw the ogive from the following frequency distribution
Construct the table of cumulative frequency (greater than type) and draw the ogive from the following frequency distribution : Class Frequency 0…
Question
If the arithmetic mean and total frequency of the following distribution are 50 and 120 respectively, then find the value of f1 and f2
If the arithmetic mean and total frequency of the following distribution are 50 and 120 respectively, then find the value of f1…
Question
The curved surface area of a right circular cylindrical wooden log of uniform density is 440 sq. decimeters. The weight of 1 cubic decimeter of wood is 3 kg and the weight of a log is 18.48 quintals. Find the diameter of the log.
The curved surface area of a right circular cylindrical wooden log of uniform density is 440 sq. decimeters. The weight of 1…
Question
The height of a right circular cone is twice the radius of the base. If the height were seven times the diameter of the base then the volume of the cone would have been 539 cu cm more. Find the height of the cone.
The height of a right circular cone is twice the radius of the base. If the height were seven times the diameter…
Question
Two solid spheres with radii of 1 cm and 6 cm lengths are melted and a hollow sphere with an outer radius of 9 cm is made. Determine the inner radius of the new hollow sphere.
Two solid spheres with radii of 1 cm and 6 cm lengths are melted and a hollow sphere with an outer radius…
Question
From the roof of the building the angle of depression of the top and foot of the lamp post is 30° and 60° respectively. Find the ratio of the heights of the building and the lamp post.
From the roof of the building the angle of depression of the top and foot of the lamp post is 30° and…
Question
Angle of elevation of the top of an incomplete tower from a point at a distance 50 m from its foot is 30°. How much should the height of the tower be increased so that the angle of elevation of the top will be 45° from that point?
Angle of elevation of the top of an incomplete tower from a point at a distance 50 m from its foot is…