Start learning 50% faster. Sign in now
Distance covered in 40 rotations = 880 m Distance covered in 1 rotations = 880/40 = 22 m ∴ Distance covered in 1 rotation = circumference of the wheel 2πr = 22m 2r (diameter) = (22 × 7)/22 = 7 m
What will be the total surface area of a triangular pyramid whose sides are all 2 cm long?
A tank whose length, width and height are 21 metres, 17 metres and 10 metres respectively is completely filled with juice. If the juice costs Rs.5/m
If the word PHOTOGRAPH is spelt with ‘F’ in place of ‘PH', then what would be the percentage reduction in the number of letters?
Find the area of the sector of a circle with radius 4cm and angle 30°.
Two circles, each of radius 7 cm, intersect each other. The distance between their centers is 7√2 cm. Find the area common to both circles.