10. Kai uses an entire can of paint on a square backdrop for the school play.The label on the can states that on can covers 27cm of wall surface. Estimate the backdrops side length, to one decimal place.
25 27 36
5 5.3 6
The backdrop side length to one decimal is 5.3cm
11. The square has an area of 20cm
a) Use perfect squares to estimate the side length to one decimal place.
b) Check your answers using a ruler to measure the side of the square. measure to the nearest tenth of a centimeter.
a) 16 20 25
4 4.5 5
The side length to one decimal place of 20cm is 4.5cm.
b) the side of the square 20cm measured to the nearest tenth of a centimeter is 4,5