Honors Geometry Companion Book, Volume 2

9.1 Review Worksheet

9.1.1 Developing Formulas for Triangles and Quadrilaterals Find each measurement. 1.  the height of the parallelogram, in which A = 7.5 m 2 2. the perimeter of the rectangle

( x – 1) in.

( x + 2) in.

6 m

3. the area of a parallelogram in which b = (3 x + 5) ft and h = (7 x − l) ft

4. the area of the triangle

5.  the height of the trapezoid, in which A = 280 cm 2

17 in.

25 in.

15 in.

20 cm

8 cm

6. the area of a triangle in which b = ( x + 1) ft and h = 8 x ft

7. the area of the kite

8.  d 2 of the rhombus, in which A = (3 x

2 + 6 x ) m 2

14 in.

7 3 in. √

( x + 2) m

14 √ 3 in.

124

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