Question

Find the area of a wall of a classroom 45m high and 21m long.​

Answer 1

Area of wall= Height×widht

=45×21=945m

hope this helps you

Answer 2

Answer:

area of wall is 945 m^2

Step-by-step explanation:

area of wall = area of rectangle

height = 45 m

length = 21 m

area of wall = l * h

here h=b

21*45 = 945 m^2