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Calculate the base length of a triangle given that its area is 640 cm² and the altitude corresponding to this base measures 40 cm.
If the numerical value of the circumference of a circle is half the numerical value of its area, then the radius of the circle is:
The radius of the base of a cylinder is 14 cm and its curved surface area is 880 cm². Its volume (in cm³) is: (Takе π = 22/7)
A giant circular wheel has a diameter of 14 metres. In how many revolutions will the wheel cover a total of 16.5 km?
The number of females working in the Production department forms approximately what per cent of the total number of females in the organization?
A cylinder has a height of 21 meters and a radius of 7 meters. If a cone has the same radius and height as the cylinder, what is the difference in volum...
The mid points of AB and AC of a ∆ABC are X and Y, respectively. If BC + XY = 24 units, then the value of BC − XY is:
The outer radius of a hollow metallic spherical ball is 12 cm while the thickness of the metal used to make it is 6 cm. Find the volume of the metal use...
The area of a square is 729 cm2 which is 48 cm2 less than that of a rectangle. Find the perimeter of the rectangle if the length o...
The angle of elevation of the top of an unfinished tower at a point distant 78 m from its base is 30°. How much higher must the tower be raised (in ...