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Total area of figure 1 = 408

Total area of figure 2 = 54

Total area of figure 3 = 392

Explanation:

Figure 1:

Area of rectangle 1 = l X b

                               = 16 X 15

                               = 240

Area of rectangle 2 = l X b

                                 = 24 X (22-15)

                                 = 24 X 7

                                 = 168

Total area of the given figure = 240 + 168

                                                 = 408

Figure 2:

Area of rectangle = l X b

                             = 6 X 4

                             = 24

Area of triangle = area of 2 right angle triangle

height of the triangle = 10 - 4 = 6

base of the triangle = 5

Area of 2 right angle triangle = 2 X 1/2 X b X h

                                                 = 6 X 5

                                                 = 30

Total area of the figure = 24 + 30

                 = 54

Figure 3:

Area of rectangle = l X b

                              = 28 X 10

                              = 280

Area of right angle triangle = 1/2 X b X h

                                             = 1/2 X (24-10) X (28-12)

                                             = 1/2 X 14 X 16

                                             = 112

Total area = 280 + 112

                 = 392

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: