1.Mr. Hershman has purchased a farm that is in the shape of a rectangle. The dimensions of the piece of land are 3.9 km by 5.36 km. How many square kilometers did he buy, and how many hectares did he purchase?

2.Find the area and perimeter of each of the four right triangles whose length of their legs and hypotenuses (rounded to three decimal places) is given in centimeters below.

(i) 12 cm by 12 cm by 16.971 cm

(ii) 6 cm by 24 cm by 24.739 cm

(iii) 3 cm by 48 cm by 48.094 cm

(iv) 1.5 cm by 96 cm by 96.012 cm

(b) What is happening to the area and perimeter as you proceed from (i) to (iv), and what do the triangles look like?

3.The area of a square region is 784ydsquared. What is the perimeter of theregion?