NAME DATE Geometry/Formal Geometry 10-1 Practice Lesson 10 ... · The base of a triangle is four...

Chapter 10 8 Glencoe Geometry

NAME _____________________________________________ DATE ____________________________

10-1 PracticeAreas of Parallelograms and Triangles

Find the perimeter and area of each parallelogram or triangle. Round to the nearest tenth if necessary.

1. 2. 3.

4. 5. 6.

7. The height of a parallelogram is 5 feet more than its base. If the area of the parallelogram is 204 square feet,

find its base and height.

8. The height of a parallelogram is three times its base. If the area of the parallelogram is 972 square inches,


9. The base of a triangle is four times its height. If the area of the triangle is 242 square millimeters,


10. FRAMING A rectangular poster measures 42 inches by 26 inches. A frame shop fitted the poster with a

half-inch mat border.

a. Find the area of the poster.

b. Find the area of the mat border.

c. Suppose the wall is marked where the poster will hang. The marked area includes an additional 12-inch space

around the poster and frame. Find the total wall area that has been marked for the poster.

Geometry/Formal GeometryLesson 10

Chapter 10 15 Glencoe Geometry

NAME _____________________________________________ DATE ____________________________ Geometry/Formal

10-2 Skills PracticeAreas of Trapezoids, Rhombi, and Kites Find the area of each trapezoid, rhombus, or kite.

1. 2.

3. 4.

5. 6.

ALGEBRA Find each missing length.

7. A trapezoid has base lengths of 6 and 15 centimeters with an area of 136.5 square centimeters.What is the height of the trapezoid?

8. One diagonal of a kite is four times as long as the other diagonal. If the area of the kite is 72 square meters,what are the lengths of the diagonals?

9. A trapezoid has a height of 24 meters, a base of 4 meters, and an area of 264 square meters.What is the length of the other base?

Geometry Lessons 9-14.pdf10.1 Geo10.2 Geo

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NAME DATE Geometry/Formal Geometry 10-1 Practice Lesson 10 ... · The base of a triangle is four...

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