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The device which uses ultrasonic waves to measure the distance, direction and speed of underwater objects is known as SONAR. SONAR stands for Sound Navigation and Ranging. SONAR is helpful for exploring and mapping the ocean because sound waves travel faster in water than that in air.
The ratio of the angles ∠A and ∠B of a non-square rhombus ABCD is 7:5, then the value of the ∠C is
Find the radius of the sphere whose volume is 562.5π cm3
If the area of a regular hexagon is 384√3 cm2, then find the perimeter of the same hexagon.
Given are three points A(2, 7), B(4, -1), C(- 2, 6) on a plane. What kind of triangle is formed by joining the points A, B, and C? <...
Find the area of triangle having sides 20 m, 21 m, and 29 m.
In the given figure. ‘O' is the centre of the circle and ∠BCA = 50°. The value of ∠BDA is:
The area of a field in the shape of a hexagon is 2400 √ 3 m2 ? What will be the cost of fencing it at ₹18.50 per metre?
If in a right angle triangle ABC, Angle B is a right angle. AB = 20 cm, BC= 21 cm if BD is perpendicular to AC find the length of BD?
In a right angle triangle, the product of two sides is half of the square of the third side (i.e., hypotenuse). Accordingly find out the acute angle?
The radius of base of a solid cylinder is 7 cm and its height is 21 cm. It is melted and converted into small bullets. Each bullet is of same size. Eac...
