Find the sum of the perimeter (in cm) of all the triangles enclosed within rectangle ABCD. (All given dimensions are in cm).
Question 58
(a) Find all the possible dimensions (in natural numbers) of a rectangle with a perimeter 36 cm and find their areas.
(b) Find all the possible dimensions (in natural numbers) of a rectangle with an area of 36 sq cm and find their perimeters.
In the given figure, ABCD is a rectangle of dimensions 21 cm X 14 cm. A semicircle is drawn with BC as diameter. Find the area and the perimeter of the shaded region in the figure.