A rectangular garden has a length of 57 m and a width of 42 m. Calculate of how many m² will decrease the area of a garden, if the ornamental fence with a width of 60 cm will be planted inside its perimeter.

Find the area of a parallelogram whose base and height are 46 cm and 12 cm respectively.

Find the perimeter of a circle if its area is 706.5 cm².

A square has a perimeter of 24 cm. Find its area in cm².

If the area of a rectangle is 144 cm² and its breadth is 6 cm, find the perimeter if the rectangle.

A land of a right-angled trapezoid shape has the bases lengths of 92 m and 76 m and the vertical arm is 6.3 m long. Find the land area and the length of a fencing needed to fence the land.

Calculate the area of the triangle drawn below.

The perimeter of a rectangle is 20 cm. If the breadth is 4 cm, find its area.

Calculate to the nearest whole number the perimeter of a circle whose radius is 6cm.

A classroom of length (2b + 1) has breadth 'b'. What is the perimeter of the classroom?

Calculate the area of a circle whose diameter is 7 cm.

How many tiles of dimension 0.3 m by 0.3 m will cover a floor area of 32.49 square meters?

On the picture two and another two semicircles are identical. The radius of one semicircle is twice as large as the radius of the other semicircle. Find the area of the colored pattern if |AB| = 12 cm.

What is the area of a triangle that has a height of 9cm and a base of 4 cm?

A perimeter of a parallelogram is 2.8 meters. The length of one of its sides is equal to one-seventh of the entire perimeter. Find lengths of the sides of the parallelogram.

Calculate the area of a circular field of diameter 6 m, correct to 2 s.f. (Take π = 3.14)

Two concentric circles have radii 2 cm and 3 cm respectively, calculate the ratio of their areas.

Find the perimeter of a rectangle of sides (a + 2) and (a - 2).

Find the area of a square with side 7 cm.