A square field has a perimeter of 48 m. Find the area of the field.
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.
A square has a perimeter of 24 cm. Find its area in cm².
An equilateral triangle of sides 16 cm has the same perimeter of a square. The area of the square in cm² is?
Three points, R, S, and T marked the edges of a garden plot. If |RS| = 5 m, |ST| = 13 m, and |RT| = 12 m, find the area of the garden plot.
Find the radius of a circle having 154 cm² as its area.
Find the area of a parallelogram whose base and height are 46 cm and 12 cm respectively.
Calculate the perimeter of a semi-circle whose diameter is 14 cm.
Calculate the length of the side of a square whose area is 1089 cm².
Find the perimeter of a circle if its area is 706.5 cm2.
Two concentric circles have radii 2 cm and 3 cm respectively, calculate the ratio of their areas.
The length of a diagonal of a 3 cm wide rectangle is 5 cm. Find the area of the rectangle.
The diameter of a record player disc is 14 cm. Calculate its area.
The perimeter of a rectangle is 20 cm. If the breadth is 4 cm, find its area.
If the area of a circle is 154 cm², what is the diameter of the circle?