Answer:
5. 12 cm
6. 50 cm
5. in
Step-by-step explanation:
5. because 6*2 equal 12 and the formula for area is length times width.
6. because 10*5 equal 50 and the formula for area is length times width.
7. because 20/4 equals 5 and the formula for the length of one side is area/width.
