Question

5. Sam and John wants to paint a square hall with the length of 12.45cm. The total area (in cm) Sam and John wants to paint (correct up to six significant figures) is​

Answer 1

Answer:

12.45x12.45=155.0025cm²

Answer 2

Given: Length of the square hall (a) = 12.45 cm

To find: Area of the hall.

Solution:

Let 'a' be the sides of a square.

∴ Area of a square = $a^{2}$

∴ Area of the square hall = $(12.45)^{2}$ $cm^{2}$

= 155.0025 $cm^{2}$

Answer: The total area of the hall is 155.0025 $cm^{2}$