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ICSE Class 9 Answered

What is the perimeter of a semi circle? Kindly answer as soon as possible !!
Asked by pmanocha553 | 30 Jan, 2020, 11:53: PM
answered-by-expert Expert Answer
Circumference or perimeter of a circle = 2∏r 
Hence, circumference or perimeter of a semi circle = ∏r 
Answered by Sneha shidid | 31 Jan, 2020, 11:49: AM

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ICSE 9 - Maths
the wheel of a car of circumference 80 pi cm each. How many complete revolutions does each wheel make in 20 minutes when the car is travelling at a speed of 66km/h  
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Asked by mdrehanagrawal | 20 Nov, 2020, 04:40: PM
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ICSE 9 - Maths
The radius of wheel of a car is 28 cm . Find the number of rotation made by the wheel in order to cover a distance of 4.4 km?  
Asked by anshu8958660720 | 18 Oct, 2020, 11:57: AM
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ICSE 9 - Maths
The circumference of the circle is equal or the perimeter of the square. The area of a perimeter is 484 sq m . Find the area of a circle . 
Asked by nityamcgsmehta | 31 Oct, 2019, 12:31: PM
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ICSE 9 - Maths
If the perimeter of 2 circle are in ratio 2 :3  A)what is the ratio of radio B)find the ratio of their areas
Asked by pachusa.2 | 26 Mar, 2019, 07:31: PM
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ICSE 9 - Maths
the circumference of given circular park is 55m. It is surrounded by path of uniform width3.5m Find the area of path
Asked by Dimple | 10 Jan, 2018, 08:26: PM
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ICSE 9 - Maths
the areas of two circles are in a ratio 4:9 find the ratio between their circumference
Asked by dhruvassaravana | 09 Jan, 2018, 10:18: PM
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ICSE 9 - Maths
AB is a line segment whose midpoint is M. Taking AM, BM and AB as diameters three semi-circles are drawn on the same side of AB. A circle is drawn with radius 'r' touching all the three semi-circles. Prove that r=AB/6
Asked by abhishekabin12306 | 03 Jan, 2018, 08:01: PM
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