Mensuration Tes...

What will be the breadth of a rectangle whose length and perimeter are 60 cm and 200 cm, respectively?

The dimensions of a rectangular park are 90 m × 70 m. How much time will a man take in taking 5 rounds of the park if he walks at the rate of 4 km/h?

What will be the cost of fencing an orchard of length 250 m and breadth 200 m by 4 rounds of barbed wire at a rate of Rs. 30 per metre?

What is the area of a square whose perimeter is equal to that of a rectangle having dimensions 14 cm 6 cm?

I am a rectangular cloth. I have whole number dimensions. I occupy 24 square metre area. What should be the magnitudes of my length and breadth so that I can cover a rectangular wooden cardboard with largest possible perimeter?

Match the following format and choose the correct option.
Column A Column B
(a) Area of rectangle i. ( side)²
(b) Area of isosceles right triangle ii. Side²
(c) Area of square iii. base height
(d) Area of equilateral triangle iv Length breadth

A wire in the form of square of side 30 cm is bent into a regular hexagon. What will be the length of the side of the new hexagon?

A wire of length 100 cm is cut into three pieces. One piece is used to make a square of side 4 cm, the second piece is used for making a regular pentagon of side 6 cm and a regular hexagon is framed with the remaining piece of wire. What will be the length of this hexagon?

If each side of a square having perimeter 48 cm is decreased by 25% and the resulting square is reshaped into a rectangle of length 10 cm, what will be the magnitude of its breadth?

The dimensions of the floor of a dining room are 15 m 12 m. A square carpet of side 10 m is spread in the middle of this room. How much area of this room is not carpeted?

How many postcards of dimensions 14 cm × 10 cm will be made out of a sheet of paper of dimensions 120 cm × 84 cm?

If the length and the area of a rectangular plot are 30 m and 600 m², respectively. What is the simplest ratio of its breadth and perimeter?

If the length of a rectangle is tripled and the breadth is doubled, then by what percent will its area increase?

Four equal glass panes of size 40 cm by 30 cm are fitted on a wooden door of size 2 m 40 cm by 1 m 20 cm. What is the area of wooden part on the door?

What is the length of the altitude of a triangle with base 30 cm and area 240 square cm?