Question
A regular hexagon is inscribed in a circle of radius 10
cm. Find the perimeter of the hexagon.Solution
In a regular hexagon inscribed in a circle, each side of the hexagon is equal to the radius of the circle. Let the side length of the hexagon be s. s = 10 cm (same as the radius) Perimeter of the hexagon = 6 × s = 6 × 10 = 60 cm Correct answer: a) 60 cm
15, 30, 30, 20, 10, 8
Find the wrong number in the given series.
24, 50, 96, 198, 388, 794
32, 16, 24, 60, 207, 945
124, 132, 118, 140, 108, 148
8Â Â Â Â 10Â Â Â Â 36Â Â Â Â Â 216Â Â Â Â Â 2592Â Â Â Â 62208
112, 236, 374, 546, 790, 1376
4, 8, 24, 96, 485, 2880, 20160
54, 58, 67, 92, 173, 262Â
In each of the following giving number series, a wrong number is given. Find out the wrong number?
3023, 3132, 3246, 3356, 3471
Find the wrong number in the given number series.
57, 58, 62, 70, 86, 118