Question

Ram made a picture of an aero plane with coloured paper as shown in figure
1)The perimeter of the II part is _______
i) 7 cm ii) 13 cm iii) 2cm iv) 6 cm.
2) The altitude of part III is _______
i) 0.9 cm ii) 0.4 cm iii)0.3cm iv) 1.2 cm
3)The ratio of areas of part II and IV is______ i) 9:2 ii) 2:9 iii) 3:2 iv) 2:3 1
2).Find the cost of making part II, if the cost per cm²is Rs .20? i) Rs. 170 ii) Rs. 180 iii) Rs.210 iv) Rs.250
Find the total area of the paper used ?
i) 18.08 cm² ii) 19.08 cm² iii) 20.08cm² iv)30.08 cm²​

Answer 1

Answer:

1. 13 cm

2. 1 cm

3. 9:2

4. Rs. 180

5. 20.08cm²

Hope it helps....