The area of a square is 81m square. what is the perimeter of the square?how do you know

When you arrive at the lake, your friend realises he hasn’t got any swimming trunks. you need to ride to a sports shop. the sports shop is 8350 metres away. how many metres is it to cycle there and back?

5,600 x 10^3 = a) 560 b) 5,000,600 c) 5,600,000 d) 56,000

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?