The length of a rectangle is \(x\) cm. The width of the rectangle is 3 cm less than the length. The perimeter of the rectangle is 40 cm. Set up and solve an equation to work out the length of the rectangle.
Answer
11.5
7
8.5
Question 9
Question
The circumference of a circle is 25 cm. Work out the radius of the circle.
Answer
5
3
4
Question 10
Question
1 acre = 4047 square metres. A farmer keeps cows in a field. He is allowed 7 cows per acre. Work out the maximum number of cows he is allowed to put in the field.