Question

find the area of trapezium whose parallel sides are 57 cm and 39 cm and distance between them is 28 CM.

Answer 1

area of trapezium= 1/2 × h × (sum of parallel sides)
= 1/2 × 28 (57+39)
=1344cm sq
hope it helps

Answer 2

Answer:

The troposphere is the lowest layer of Earth's atmosphere, and is also where nearly all weather conditions take place. It contains 75% of the atmosphere's mass and 99% of the total mass of water vapour and aerosols.