[" 11.On a square handkerchief,nine circular designs each of radius "7cm" are made "],[" (see Fig."12.29" ).Find the area of the remaining portion of the handkerchief."]

On a square handkerchief, nine circular desins each of radius 7 cm are made (see Fig. 5.29). Find the area of the remaining portion of the handkerchief.

On a square handkerchief, nine circular designs each of radius 7 cm are made (see Figure). Find the area of the remaining portion of the handkerchief.

On a square handkerchief, nine circular designs each of radius 7 cm are made (see the given figure). Find the area of the remaining portion of the handkerchief.

On the square handkerchief, nine circular desgins each of radius 7cm are made (see fig). Find the area of the remaining portion of the handkerchief.

On a square handkerchief, nine circular designs each of radius 7 cm are made. Find the area of the remaining portion of the handdkerchief

In a school, an SUPW exam is conducted in class X. Rubina wins 1st prize. She made a square embroider handkerchief with 9 circular thread designs on it. On a square handkerchief, nine circular designs each of radius 7 cm are made (see in figure). Find the circumference of one of the circular design.

Read the following text and answer the following questions on the basis of the same : In a school, a Design exam is conducted in class x . Rubina wins 1^(st) prize. She made a square embroidery handkerchief with 9 circular thread designs on it On a square handkerchief, nine circular designs each of radius 7 cm are made (see in figure) . Find the circumference of one of the circular design

A right circular cylinder just encloses a sphere of radius r (see Fig. ). Find surface area of the sphere.

From a rectangular cardboard sheet 145 cm long and 32 cm broad ,42 circular plates each of diameter 8 cm have been cut out . Find the area of the remaining portion of the sheet.