Square units 13 by 9 of an office area is

If each side of a square is increased by 25%, find the percentage change in its area.

The area of a right angled triangle is 10 sq cm. If its perpendicular is equal to 20 cm, find its base.

Find the length of a rope by which a cow must be tethered in order that it may be able to graze an area of 9856 sq meters.

The length of the diagonal of a rhombus is 80% of the length of the other diagonal, Then the area of the rhombus is how many times the square of the length of the longer diagonal?

A room 5m 55cm long and 3m 74cm broad is to be paved with square tiles.Find the least number of square tiles required to cover the floor?

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