April 15-19

Grade 7 Problem of the Week April 15-19 

Show all your work

1.What is the area of a parallelogram with base 9 m, side length 21 m and height 16 m?

2. A parallelogram has a base of 15 inches and an area of 90 square inches. What is the height?

3. A machine is cutting circular coasters out of foam. Each coaster has a diameter of 12 cm. What is the area of each coaster?

4. The circumference of a circle is 92 cm 

a) What is the diameter of the circle? 

b) What is the area of the circle?