391,488 views
5 votes
5 votes
Help please because this is due today at 6:00 P.M.

Help please because this is due today at 6:00 P.M.-example-1
User Likejudo
by
2.8k points

1 Answer

20 votes
20 votes

Answer:

Area, 199.5, Perimeter, 46.45

Explanation:

1. Decompose it into 2 shapes; rectangle and triangle

2. Find the area of the triangle; 10cm×7.6cm=76×1/2=38

3. Find the area of the rectangle; 21.25cm×7.6cm=161.5

4. Add the products 38+161.5=199.5

Perimeter:

1. Decompose it into 2 shapes; rectangle and triangle

2. Find the perimeter of the triangle; 10cm+7.6cm=17.6

3. Find the perimeter of the rectangle; 21.25+7.6=28.85

4. Add the sums 17.6+28.85=46.45

User Mark Szabo
by
3.0k points