Question

length= 12.5cmbreadth= 50cm

find its area?​

Answer 1

Answer:

Question 1:A plastic box 1.5 m long, 1.25 m wide and 65 cm deep, is to be made. It is to beopen at the top. Ignoring the thickness of the plastic sheet, determine:(i) The area of the sheet required for making the box.(ii) The cost of sheet for it, if a sheet measuring 1 m2 costs Rs 20.Answer:It is given that, length (l) of box = 1.5 mBreadth (b) of box = 1.25 mDepth (h) of box = 0.65 m(i) Box is to be open at top.Area of sheet required= 2lh + 2bh + lb= [2 × 1.5 × 0.65 + 2 × 1.25 × 0.65 + 1.5 × 1.25] m2= (1.95 + 1.625 + 1.875) m2 = 5.45 m2(ii) Cost of sheet per m2 area = Rs 20Cost of sheet of 5.45 m2 area = Rs (5.45 × 20)= Rs 109

Explanation:

Answer 2

Answer:

50 * 12.5 = 625

Explanation:

area of rectangle = l*b

* means to multiply