Question

Please solve this problem

Answer 1

the correct answer is D
hope you will be more brainliest

Answer 2

Answer:

₹960

Step-by-step explanation:

Perimeter of rhombus = 4 x side

                              40  = 4 x side

                            Side = 10 m

In BOC

BC^2 = OB^2 + OC^2

10^2 = 6^2 + OC^2

OC^2 = 10^2 - 6^2

OC^2 = 100 - 36

OC^2 = 64

OC = 8 m

AC= 2 x 8

AC= 16 m

BD = 12 m

Ar rhombus = 1/2(diagonal1 x diagonal2)

                    = 1/2 x CD x BD

                    = 1/2 x 16 x 12

                    = 96 sq m

Since sheet is painted both sides,

Total area = ar of rhombus x 2

                 = 96 x 2 square m

                 =192 sq m

Cost = 5 x 192

       = ₹960