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Name _______________________________________ Date __________________ Class __________________ 1.5 Practice A Using Formulas in Geometry Use the figure for Exercises 1 and 2. 1. Find the perimeter of the rectangle. __________ 2. Find the area of the rectangle. __________ Use the figure for Exercises 3 and 4. 3. Find the perimeter of the triangle. __________ 4. Find the area of the triangle. __________ Draw your answer in the space provided. 5. Sketch a circle and label the center, a diameter, and a radius. Find the perimeter and area of each shape. 6. square with a side 2.4 m in length ________________________________________ 7. rectangle with length (x 3) and width 7 ________________________________________ 8. Although a circle does not have sides, it does have a perimeter. What is the term for the perimeter of a circle? _______________ Find the circumference and area of each circle. 9. 10. ________________________ ________________________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry Name _______________________________________ Date __________________ Class __________________ Use the figure for Exercises 11 and 12. Lucas has a 39-foot-long rope. He uses all the rope to outline this T-shape in his backyard. All the angles in the figure are right angles. 11. Find x. _______________ 12. Find the area enclosed by the rope. _______________ 13. The area of a square is 1 2 in . Find the perimeter. _______________ 4 14. The area of a triangle is 152 m2, and the height is 16 m. Find the base. _______________ 15. The circumference of a circle is 25 mm. Find the radius. _______________ Original content Copyright © by Holt McDougal. Additions and changes to the original content are the responsibility of the instructor. Holt McDougal Geometry