Mathematics Grade 8 45 min

Area between two shapes

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1

Find the area of the blue region (a 10x8 rectangle with a 4x3 cutout).

2

Find the area of the blue region (a square of side 10 with a circle of radius 3 cut out). Use π ≈ 3.14.

3

Find the area of the ring (a circle of radius 5 with a circle of radius 2 cut out). Use π ≈ 3.14.

Sample Practice Questions

Easy
A 3x2 rectangle is cut from a 6x5 rectangle. What is the area of the remaining shape?
0.24
1.30
2.6
3.36
Easy
A circle with radius 2 is cut from a square with side 8. What is the remaining area? Use π ≈ 3.14.
0.51.44
1.64
2.12.56
3.76.56
Easy
A small circle (radius 5) is cut from a large circle (radius 10). What is the area of the ring? Use π ≈ 3.14.
0.235.5
1.314
2.78.5
3.15.7

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