410,192 views
27 votes
27 votes
100 POINTS
find surface area!!


100 POINTS find surface area!! ​-example-1
User Vladimir Vargas
by
3.6k points

2 Answers

21 votes
21 votes

Answer:


s \: = \: 2(2.4 * 1.6 + 1.3 * 16 + 1.5 \\ * 16 + ( (1)/(2) ) * 2.4 * 0.9) \\ \\ = 18.8y {d}^(2) \\ \\ total \: surface \: area \: ( \: including \\ \\ bottom \: side \: ) \\ \\ a \: = 18.8 + 2.4 * 13 \\ \\ = 21.92y {d}^(2)

User Brad Conyers
by
2.7k points
10 votes
10 votes

Explanation:

The figure consists of 6 rectangle and 2 triangle faces.

Surface area (excluding bottom side) is:

  • S = 2(2.4*1.6 + 1.3*1.6 + 1.5*1.6 + (1/2)*2.4*0.9) = 18.8 yd²

Total surface area (including bottom side):

  • A = 18.8 + 2.4*1.3 = 21.92 yd²
User Gurubelli
by
2.9k points