IGCSE Mathematics exam questions (0580 and 0607) on Volume. Including sectors, volume of cones, cylinders, spheres, similar shapes and frustums. Full playlist of all IGCSE topics here: • Number: IGCSE Maths Ex...
Total perimeter = arc length + (2 x radius). Perimeter refers to the entire boundary. He used 20 as the ARC LENGTH, which is 68 - (24 + 24) --> 68 - 48 --> 20
Total perimeter = arc length + (2 x radius). Perimeter refers to the entire boundary. He used 20 as the ARC LENGTH, which is 68 - (24 + 24) --> 68 - 48 --> 20.
Circumference = 20 Formula of circum = 2piR Make R the subject, and place 2pi as the denominator of 20 20/2pi = 3.18 You might have to do it step by step cuz if you divide 2 and pi together and not put it in brackets, it becomes 31.4.
