3. Two squares are put side by side to form a rectangle. A side of the square measures 5 cm. What is the area of the rectangle?
A. 100 cm2
B. 60 cm2
C. 50 cm2
D. 40 cm2

4. The area of a parallelogram is 100 cm2. If the base is 4 cm, what is the height?
A. 40 cm
B. 25 cm
C. 20 cm
D. 15 cm

5. A playground in the shape of parallelogram has a base of 60 meters and a height of 45 meters. What is its area?
A. 2 700 m2
B. 2 650 m2
C. 1 650 m2
D. 105 m2 ​