1.2 Review Worksheet

1.2.1 Using Formulas in Geometry Find the perimeter and area of each figure. 1. 2.

3.

5 x

x

3 x

4 x

7.4 m

x + 6

8

4. The quilt pattern includes 32 small triangles. Each has a base of 3 in. and a height of 1.5 in. Find the amount of fabric used to make the 32 triangles.

Find the circumference and area of each circle with the given radius or diameter. Use the π key on your calculator. Round to the nearest tenth. 5. r = 12 m 6. d = 12.5 ft 7. = d mi

1 2

1.2.2 Midpoint and Distance in the Coordinate Plane Find the coordinates of the midpoint of each segment. 8. XY with endpoints X ( − 3, − 7) and Y ( − 1, 1)

9. MN with endpoints M (12, − 7) and N ( − 5, − 2)

10. M is the midpoint of QR . Q has coordinates ( − 3, 5), and M has coordinates (7, − 9). Find the coordinates of R .

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