Mensuration All Formula Practice Mensuration All Formula PracticeShare with your Friend Facebook Twitter LinkedIn WhatsApp Telegram Q1: Diagonal of a square? a√2 √a a√3 2a Pythagorean theorem (\(a^{2}+a^{2}=d^{2}\)). Q2: If the radius of a circle is halved, the area becomes? Four times Double One-fourth HalfSquare relationQ3: What is the total surface area of a hemisphere? πr² 2πr² 3πr² 4πr²Total Surface Area (Dome + Base): 2πr² + πr² = 3πr² Q4: Perimeter of a triangle? πr² a+b+c √s ½bhSum of sidesQ5: Diameter of a circle equals? 2r πr r² rStandard relationQ6: What is the volume of a cone? 2πrh πr²h (1/2)πr²h (1/3)πr²h V of cone=1/3hπr² or One-third of cylinder volume V=πr2hQ7: What is the area of a square? 4a a² √a 2a²Side squaredQ8: What is the area of an equilateral triangle? √3a² √3/4 a² ½a² a²Standard formulaQ9: What is the area of a semicircle? 2πr πr² ½πr² πrA = (πr²)/2, where 'r' is the radius, or A = (πd²)/8, where 'd' is the diameterQ10: What is the base area of a cylinder? πr² ½πr² πr 2πrCircular base ＋Load More QuestionsEnter Full Name Submit & See Your Score