You could use a geometric translation (shear) to prove that formula for the area of a parallelogram can be derived from the formula for the area of a rectangle.

In parallelogram abcd the ratio of ab to bcis 5: 3. if the perimeter of abcd is 32 find ab

Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3

Write the expression 7x^3-28xy^2 as the product of 3 factors