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570 ÷ 19 × 5 – 124 = √? 30 x 5 – 124 = √? 150 – 124 = √? √? = 26 ? = 676
A sector of a circle has a central angle of 120° and a radius of 10 cm. Find the area of the sector.
If the radius of a circle is 15 cm, then which of the following is true regarding the length of the chord (L)?
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)
If a wheel covers a distance of 660 m in 30 rotations, then the diameter of the wheel is?
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?
A sector of a circle has a central angle of 60°. If the radius of the circle is 14 cm, what is the area of the sector?
Two chords AB and CD of a circle intersect at E such that AE = 3.4 cm, BE = 4.2 cm and CE = 2.6 cm. What is the approximate length of DE?