Find the area of the composite figure
10 ft
4 ft
3 ft
6 ft
square feet

ExerciseProblemSolution

1Find the perimeter of a triangle the sides of which are 10 in, 14 in and 15 in.P = 10 in + 14 in + 15 in = 39 in

2A rectangle has a length of 12 cm and a width of 4 cm. Find its perimeter.P = 12 cm + 12 cm + 4 cm + 4 cm = 32 cm

3Find the perimeter of a regular hexagon with each side measuring 8 m.P = 6(8 m) = 48 m

4The perimeter of a square is 20 ft. How long is one side?20 ft ÷ 4 = 5 ft

5The perimeter of a regular pentagon is 100 cm. How long is one side?100 cm ÷ 5 = 20 cm

Step-by-step explanation:

61 square feet

Step-by-step explanation:

Your rectangle has a area of A = w l

A = 4*10 = 40

The triangle has a area of A = h (b/2)

A = 7 (6/2)

A = 21

Add both for the area

answer: 177/8

step-by-step explanation:

on monday rodney ate 1/4th of the sandwich = 3/12

on tuesday he ate 1/3rd of the sandwich = 4/12

therefore in total he has eaten = 3/12 + 4/12 = 7/12

thus we can say that he has eaten 7/12 of the sandwich on monday and tuesday alltogether.

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