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Draw the frequency polygon representing the following frequency distribution: -

Class interval | 30-34 | 35-39 | 40-44 | 45-49 | 50-54 | 55-59 |

f | 12 | 16 | 20 | 8 | 10 | 4 |

Diff. b/w the outer lateral surface area and inner lateral sur. area of cylindrical metallic pipe 28 cm long is 176 sq. cm.Find the outer and inner radii of the pipe, if the pipe is made 352 cubic cm of metal.

Construct an isosceles triangle whose perimeter is 12 cm and altitude is 4 cm.

If the non parallel sides of trapezium are equal prove that it is cyclic.

Dear Student ,

Refer the following link :

23. https://www.meritnation.com/ask-answer/question/a-cloth-having-an-area-of-165-m2-is-shaped-into-the-for/surface-areas-and-volumes/4009642

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