Skills Practice Workbook - Glencoe
Skills Practice Workbook - Glencoe
Skills Practice Workbook - Glencoe
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10–4<br />
NAME ______________________________________DATE __________PERIOD______<br />
<strong>Skills</strong> <strong>Practice</strong><br />
Areas of Triangles and Trapezoids<br />
Find the area of each triangle or trapezoid.<br />
1. 2. 3.<br />
20 ft<br />
37 ft<br />
14 cm<br />
© <strong>Glencoe</strong>/McGraw-Hill 57 Geometry: Concepts and Applications<br />
20 cm<br />
370 ft 2 140 cm 2 35 m 2<br />
4. 5. 6.<br />
5 in.<br />
12 in.<br />
30 in 2 70 ft 2 399 cm 2<br />
7. 8. 9.<br />
28 cm<br />
19 mm<br />
24 mm<br />
5 ft<br />
7 ft<br />
15 ft<br />
11 m<br />
3 m<br />
3 m<br />
2 cm 3 cm<br />
22 cm 6 cm<br />
5 m<br />
6 m<br />
8 m<br />
19 cm<br />
16 cm 26 cm<br />
17 in.<br />
228 mm 2 21 m 2 297 in 2<br />
10. 11. 12.<br />
308 cm 2 12 cm 2 225 m 2<br />
13. Find the area of a trapezoid whose altitude measures 8 feet and whose bases are 9 feet<br />
and 21 feet long. 120 ft 2<br />
14. Find the area of a triangle whose base measures 17 inches and whose altitude is 10<br />
inches. 85 in 2<br />
15. Find the area of a trapezoid whose altitude measures 77 meters and whose bases are 200<br />
meters and 300 meters long. 19,250 m 2<br />
16. The area of a triangle is 500 square feet. The height of the altitude is 25 feet. What is the<br />
length of the base? 40 ft<br />
25 m<br />
18 m<br />
27 in.<br />
5 in.
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