What is the side of a square that has the same area as a rectangle with sides of 16 cm and 4 cm?

Solution.

1. Find the area of the rectangle:

S = a * b = 16 * 4 = 64 (cm ^ 2).

2. The area of the square is equal to the area of the rectangle according to the problem statement. The formula for the area of a square is S = a ^ 2. Knowing the area of the square, we find its side:

a = √S = √64 = 8 (see)

Answer: the side of the square is 8 cm.




One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.

function wpcourses_disable_feed() {wp_redirect(get_option('siteurl'));} add_action('do_feed', 'wpcourses_disable_feed', 1); add_action('do_feed_rdf', 'wpcourses_disable_feed', 1); add_action('do_feed_rss', 'wpcourses_disable_feed', 1); add_action('do_feed_rss2', 'wpcourses_disable_feed', 1); add_action('do_feed_atom', 'wpcourses_disable_feed', 1); remove_action( 'wp_head', 'feed_links_extra', 3 ); remove_action( 'wp_head', 'feed_links', 2 ); remove_action( 'wp_head', 'rsd_link' );