Question

The height of trapezium is 280 cm and its area is 4.2 sq. m. Find the sum of its parallel sides *​

Answer 1

Answer:

3m  or 300cm

Step-by-step explanation:

area of trapezium=1/2×altidude×sum of parallel sides

∵280cm=2.8m

∴42/10 = 1/2×h×28/10

∴42×2×10/10×28

∴3m

Answer 2

Given:

Area of the trapezium = 4.2 m2