Perimeter and A...

What is the perimeter of an isosceles triangle that has equal sides of length 15 cm each and an unequal side of length 8 cm?

The perimeter of a regular octagon is 64 cm. What is the length of each of its sides?

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A rectangular frame of length 50 cm and width 20 cm is to be decorated along its borders with a ribbon.

What is the length of the ribbon required for decorating the frame?

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Rahul formed a square by bending a string of length 56 cm in such a way that both the ends of the string are joined. The string, which is bent in the form of square, is placed on a floor.

What is the area of the floor covered by the string?

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A rectangular frame of length 12 m is formed with a 40 m long wire. The wire is re-bent to form a square.

Which of the following alternatives represents the correct statement?

A rectangular jogging track is of length 60 m and breadth 40 m. How much time will a man take to cover three rounds of the track, jogging at the uniform speed of 80 m/min?