Question
In which medium can sound not
travel?Solution
Sound requires a medium to travel through (solid, liquid, or gas) and cannot travel through a vacuum.
The circumference of the two circles is 120 cm and 428 cm respectively. What is the difference between their radii?
Determine the diameter of the incircle of a triangle whose area is 60 cm² and the semi-perimeter is 20 cm.
The circumference of the circle is 198 cm while the length of the rectangle is 12 cm more than the radius of the circle. Find the perimeter of the recta...
The wheel of a car made 300 rotations. How much distance did the car travel if the diameter of the wheel is 28 inches? (1 inch = 2.54cm)
In a circle, the length of a chord is 20 cm, and the perpendicular from the center to the chord divides it into two equal parts. If the distance from th...
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- AB is the diameter of a circle centered at O. A tangent drawn at point C intersects the extension of AB at point D. If ∠CAB = 38°, find the value of ∠...
- A circular sector has a radius of 14 cm and an area of 154 cm². What is the angle formed at the center by the arc? (Take π = 22/7)
If the lengths of the diameters of two concentric circles are 16cm and 18cm respectively, then what will be the area of the region between them?
Two chords of a circle 'PQ' and 'RS' crosses each other at an exterior point 'O'. Determine the length of the chord 'RS' if the chord PQ is 36 cm long, ...
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