MCQ Class 9 Maths Ganita Manjar Chapter 6 Measuring Space: Perimeter and Area Advertisement 1. What is the perimeter of a square of side a? 2a 3a 4a a²Question 1 of 202. What is the perimeter of an equilateral triangle of side a? a 2a 3a 4aQuestion 2 of 203. The perimeter of a rectangle is: a + b 2(a + b) ab 4aQuestion 3 of 204. The perimeter of a circle is called: Radius Diameter Circumference ArcQuestion 4 of 205. The ratio of circumference to diameter is: 2 π 3 4Question 5 of 206. The approximate value of π is: 2.14 3.14 4.14 5.14Question 6 of 207. Which fraction is commonly used for π? 21/7 22/7 23/7 24/7Question 7 of 208. Circumference of a circle with radius r is: πr πr² 2πr r²Question 8 of 209. Diameter of a circle is: r 2r r² πrQuestion 9 of 2010. π is a: Rational number Whole number Irrational number Natural numberQuestion 10 of 2011. Arc length of a semicircle is: πr 2πr πr² r²Question 11 of 2012. Arc length of a quarter circle is: πr πr/2 2πr rQuestion 12 of 2013. Arc length formula is: πr²θ/360 2πr×θ/360 πrθ rθQuestion 13 of 2014. Area of rectangle is: a+b ab 2ab a²+b²Question 14 of 2015. Area of square is: a 2a a² 4aQuestion 15 of 2016. Area of parallelogram is: base × height side × side length × breadth ½bhQuestion 16 of 2017. Area of triangle is: bh 2bh ½bh b+hQuestion 17 of 2018. A median divides a triangle into: 3 equal parts 2 equal areas 4 equal parts unequal areasQuestion 18 of 2019. Heron’s formula is used to find: Perimeter Circumference Area of triangle Area of circleQuestion 19 of 2020. Semi-perimeter of triangle is: a+b+c (a+b+c)/2 ab/2 a-b+cQuestion 20 of 20 Loading...
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